A locked-room mystery packed with rooftop chases, hidden codes and mind-bending science, The Clockwork Conspiracy is a must for fans of the Adventures on Trains series and Sharna Jackson's High Rise mysteries.

Aspiring inventor Isaac Turner lives with his dad, the horologist in charge of Big Ben. But when his father vanishes from the belfry on the night the clocks go back, leaving behind only a smashed pocket watch and a cryptic message, Isaac determines to find him.

Hunting a trail of clues through London's landmarks, Isaac uncovers a sinister plot in the gears of government and embarks on a race against time to save his father - and time itself.

'A thrilling and hugely entertaining adventure story' - David Walliams on The Highland Falcon Thief, the first journey in the Adventures on Trains series. The bestselling, prize-winning Adventures on Trains series embarks on a thrilling sixth adventure as Harrison Beck and Uncle Nat climb aboard the night train to Narvik, travelling to the Arctic Circle to see the northern lights for Christmas. But as their train leaves Stockholm, Hal and Uncle Nat realize they're being followed by a sinister figure, and Hal's powers of observation are tested when Uncle Nat's past comes back to haunt him. Journeying into the never ending night of the arctic winter, our railway detectives must outsmart an assassin in their most chilling adventure yet, in which nothing is as it seems. The Arctic Railway Assassin can be read as a stand-alone novel, or enjoyed as part of the award-winning Adventures on Trains series written by M. G. Leonard and Sam Sedgman. Join Hal and Uncle Nat on more stops in this thrilling series with: Murder on the Safari Star, Danger at Dead Man's Pass and Sabotage on the Solar Express. Praise for the series: 'Like Murder on the Orient Express but better!' - Frank Cottrell-Boyce on The Highland Falcon Thief 'A first class choo-choo-dunnit!' - David Solomons on Kidnap on the California Comet 'A high-speed train journey worth catching . . .The best yet' - The Times on Murder on the Safari Star 'This series just gets better and better' - Maz Evans on Danger at Dead Man's Pass

Ride into danger with Hal and Uncle Nat on the fifth breathtaking Adventures on Trains Mystery, Sabotage on the Solar Express, from bestselling award-winners M. G. Leonard and Sam Sedgman. Perfect for readers of 8 to 12 and brilliantly illustrated in black and white throughout by Elisa Paganelli. 'A thrilling and hugely entertaining adventure story' - David Walliams on The Highland Falcon Thief, the first book in the series. Billionaire train enthusiast August Reza has invited Harrison Beck and Uncle Nat on the maiden voyage of the Solar Express - the winning design of his Reza's Rocket competition. But during the journey, they discover the train has been sabotaged, hurtling passengers into a heart-stopping, action-packed, thrill ride across the Australian Outback. Can Hal find the saboteur and stop the runaway train before disaster strikes? Sabotage on the Solar Express can be read as a stand-alone novel, or enjoyed as part of the Adventures on Trains series. Join Hal and Uncle Nat on more stops in this thrilling series with: The Highland Falcon Thief, Kidnap on the California Comet, Murder on the Safari Star, and Danger at Dead Man's Pass. Praise for the Series: 'Like Murder on the Orient Express but better!' - Frank Cottrell-Boyce on The Highland Falcon Thief 'A first class choo-choo-dunnit!' - David Solomons on Kidnap on the California Comet 'A high-speed train journey worth catching . . .The best yet' - The Times on Murder on the Safari Star 'This series just gets better and better' - Maz Evans on Danger at Dead Man's Pass

Adventures on Trains is a major mystery series from the prize-winning M.G. Leonard and Sam Sedgman. First stop, The Highland Falcon Thief, a breathless train journey full of deceptions, puzzles and clues to solve.

Harrison Beck is reluctantly joining his travel-writer Uncle Nat for the last journey of the royal train, The Highland Falcon. But as the train makes its way to Scotland, a priceless brooch goes missing, and things are suddenly a lot more interesting. As suspicions and accusations run high among the passengers, Harrison begins to investigate and uncovers a few surprises along the way. Can he solve the mystery of the jewel thief and catch the culprit before they reach the end of the line?

'A chuffing triumph' The Times, Children's Book of the Week

'Like Murder on the Orient Express but better . . . a terrific read!' Frank Cottrell Boyce

Hear whispers in the dining car, find notes in the library, and unknown passengers among the luggage as you help Harrison to solve the mystery aboard one of the world's grandest trains. Fast-paced and packed with illustrations and clues, Adventures on Trains is a stop you won't want to miss!

Join Hal and Uncle Nat as they plunge straight into an exciting mystery – this time while on Safari!

All-aboard for the third amazing journey in the bestselling Adventures on Trains series, Murder on the Safari Star, from M. G. Leonard and Sam Sedgman, illustrated throughout by Elisa Paganelli.

Harrison Beck and his Uncle Nat are on the journey of a lifetime aboard the Safari Star – a luxurious steam train that will take them from Pretoria to the stunning Victoria Falls. Close encounters with the amazing animals and landscape of Southern Africa are adventure enough, but things get mysterious when a passenger is found dead inside a locked compartment. Is it just a terrible accident or is something more suspicious afoot? It’s up to train detective Hal and his new friend Winston to find out.

Board the California Comet and help Harrison Beck to solve another heart-stopping mystery in the second Adventures on Trains story, Kidnap on the California Comet, from bestselling authors M.G. Leonard and Sam Sedgman.

After the excitement of his adventures aboard the Highland Falcon Thief, Harrison Beck can't wait for the opportunity to go on another amazing train journey. So when his Uncle Nat invites him aboard the California Comet, the iconic three-day train journey from Chicago to San Francisco, he leaps at the chance to travel. But when the daughter of billionaire entrepreneur August Reza goes missing en route, Hal finds himself with another mystery to solve. Can he uncover the kidnapper before the journey's end?

An adrenaline-fuelled journey across America from bestselling authors M.G. Leonard and Sam Sedgman in the second mystery adventure in the major Adventures on Trains series.

Embark on a thrilling fourth adventure in the bestselling, prize-winning Adventures on Trains series - Danger at Dead Man's Pass, from M. G. Leonard and Sam Sedgman, as Harrison Beck investigates an ancient family curse high in the German mountains. Illustrated in black-and-white throughout by Elisa Paganelli. A mysterious letter from an old friend asks Hal and Uncle Nat to help investigate a spooky supernatural mystery. Legend has it the Kratzensteins, a family of rich and powerful railway tycoons, are cursed, but there is no such thing as a curse, is there . . .? Hal and Nat take the night train to Berlin and go undercover. From a creaking spooky old house at the foot of the Harz mountains, they take the Kratzenstein family's funeral train to the peak of the Brocken Mountain. Can Hal uncover the secrets of the Brocken railway and the family curse before disaster strikes? Danger at Dead Man's Pass can be read as a stand-alone novel, or enjoyed as part of the Adventures on Trains series. Join Hal and Uncle Nat on more stops in this thrilling series with: The Highland Falcon Thief, Kidnap on the California Comet, Murder on the Safari Star and Sabotage on the Solar Express. Praise for the Series: 'Like Murder on the Orient Express but better!' - Frank Cottrell-Boyce on The Highland Falcon Thief 'A thrilling and hugely entertaining adventure story' - David Walliams on The Highland Falcon Thief 'A first class choo-choo-dunnit!' - David Solomons on Kidnap on the California Comet 'A high-speed train journey worth catching . . .The best yet' - The Times on Murder on the Safari Star 'This series just gets better and better' - Maz Evans on Danger at Dead Man's Pass

From Adventures on Trains author and British Book Award 2021 winner Sam Sedgman comes a beautiful and fact-filled book encapsulating the excitement and wonder of adventure and travel - all seen through the world's most epic train journeys. So climb on board and travel across six continents, 34 countries and numerous cities via twelve of the world's most awe-inspiring railways. Bestselling author Sam Sedgman brings to life these astonishing feats of railway engineering, including the Eurostar (London to Amsterdam), Orient Express (Paris to Istanbul), the first Transcontinental Railroad (Chicago to San Francisco) and the Rejuvenation Express (Beijing to Hong Kong). Each locomotive adventure reveals some of the rich history, culture, landscape and wildlife of the countries travelled. Take in the safari sights of Southern Africa, wrap up warm in the Arctic Circle, cross scorching deserts on the California Zephyr, and taste tea in India whilst on a toy train - there's a whole world to discover when travelling by train! Detailed, colourful illustrations by Sam Brewster bring the facts and journeys to life. Epic Adventures will appeal to culture-, travel-, locomotive-fans of all ages.

From Adventures on Trains author and British Book Award 2021 winner Sam Sedgman comes a beautiful and fact-filled book encapsulating the excitement and wonder of adventure and travel – all seen through the world's most epic train journeys. So climb on board and travel across six continents, 34 countries and numerous cities via twelve of the world's most awe-inspiring railways. Bestselling author Sam Sedgman brings to life these astonishing feats of railway engineering, including the Eurostar (London to Amsterdam), Orient Express (Paris to Istanbul), the first Transcontinental Railroad (Chicago to San Francisco) and the Rejuvenation Express (Beijing to Hong Kong). Each locomotive adventure reveals some of the rich history, culture, landscape and wildlife of the countries travelled. Take in the safari sights of Southern Africa, wrap up warm in the Arctic Circle, cross scorching deserts on the California Zephyr, and taste tea in India whilst on a toy train – there's a whole world to discover when travelling by train! Detailed, colourful illustrations by Sam Brewster bring the facts and journeys to life. Epic Adventures will appeal to culture-, travel-, locomotive-fans of all ages.

Following his adventure on the California Comet, artist and amateur sleuth Hal Beck is back and looking forward to another railway journey with his journalist uncle, this time riding the historic Safari Star through South Africa. Then he soon finds himself drawn into another mystery when one of their fellow passengers dies on board!

Accident... or murder?

With help from a new friend and his friend's pet mongoose, Hal is determined to figure out if a murder has really taken place and, if so, who amongst a long list of suspects is the killer--all before the Safari Star arrives at its final destination.