An exciting new adventure series for young readers from Carnegie Medal winner Katya Balen, author of October, October and The Light in Everything Clem and her friends Ash and Zara are members of the Thames and Tide Club! Every weekend they go mudlarking by the river, searching for treasures that have washed up on the shore. Clem has found old things, new things and a whole heap of rubbish. But one day, she finds something really special. Something magical that belongs in the river and must be returned to its rightful owner … or else. Before they know it, the Thames and Tide Club are on the weirdest, wildest, underwater-iest adventure they could possibly have imagined on a mission to save Underwater London!

Ingrid can't sleep. She can't remember, either. A competitive diver, seventeen-year-old Ingrid is haunted by what she saw at the pool at a routine meet, before falling off the high dive and waking up concussed. The only thing she remembers about the moment before her dive is locking eyes with Van - her neighbor, former best friend, and forever crush - kissing his girlfriend on the sidelines. But that can't be all. Then one sleepless night, she sees Van out her window looking right back at her. They begin not sleeping together by night, still ignoring each other at school by day. Ingrid tells herself this is just temporary, but soon, she and Van are up every night piecing her memory back together. As Van works through his own reasons for not being able to sleep, they're both pulled into a mystery that threatens to turn their quiet neighborhood into a darker place than they realized.

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.

What happens when two best friends take on the world's worst summer? On the first day of vacation, ten-year-old Ivy Crowden falls down the stairs and breaks her leg. Stuck in a plaster cast, she's certain her summer is doomed. Not even Teddy, her neighbor and best friend, can cheer her up because he's dealing with his own pain: the loss of a beloved dog. But when Ivy witnesses a possible burglary from her living room window, her summer takes a sudden turn from meh to mysterious. Who are the criminals? Might a classmate be involved? And . . . uh-oh. A second mystery is nipping at Ivy's heels. Cue the best friends, the best dog, and the best chance that summer can be saved!

Set up high on the cliffs, in the grounds of a ruined monastery, overlooking the dreary town of Blinkton-on-Sea, is the otherwise unremarkable Blinkton High School. Here resides the enigmatic Inky Stevens - a talented and astute student, better known as "the Great School Detective." What appears to be a trivial search for a missing set of keys soon turns much more sinister with our hero facing mortal danger. Will Inky unlock this case and find the key to his survival or will he meet a horrific end?