Here are another 150 puzzles from Ireland's favourite crossword

The Simplex crossword is one of the most popular items in The Irish Times, with tens of thousands of readers attempting to solve it every day for over sixty years. Challenging enough to tax the brain cells, but designed so that it can be completed on the train or in a lunch hour, this huge collection is great value and a must for every crossword fan. This is the ideal way to keep your puzzle-solving skills up to scratch whether you're on holiday, commuting or simply relaxing at home.

Challenge yourself at home with word and number puzzles 100 quick cryptic puzzles from The Times adapting the cryptic puzzle for those with a hectic lifestyle and schedule. Ideal for those starting out with cryptic crosswords, and those who'd like to tackle the main puzzle but feel daunted, or who can perhaps only solve a handful of clues. Appearing Monday to Friday in the puzzle pages of Times2, this crossword has a reduced 13x13 grid size and reduced difficulty too, the intention being to encourage people to take their first steps in tackling cryptic crosswords. And also to cater for those of us who have limited time to devote to our favourite pastime and need a ready-made set of puzzles that is solvable in a short space of time.

Test your codecracking skills against this compilation of 200 of the most challenging puzzles from the puzzle pages of your favourite newspaper. Can you crack the code and beat the clock? Each puzzle has a time limit and your task is to complete the crossword grid within the time. Fun, frantic, taxing, this is the ultimate puzzling experience!

Cryptic crosswords from the Telegraph are the most popular around, and this bumper collection will both frustrate and delight in equal measure. Perfect for any spare moment, and completely addictive, these puzzles are certain to test your thinking to the limit.

Sharpen your wits with this latest bumper collection of 300 quick-fire crosswords, ideal for experienced and new puzzlers alike. In its fifth volume, this edition is filled with a range of fun and clever clues, and will stimulate and entertain in equal measure. Perfect for quick crossword enthusiasts.

Boost your crossword game with this new collection of tricky grids from the world's oldest and most popular puzzle competition, presented by crossword legend Will Shortz. Competitive Crosswords is the second book in the Will Shortz Games line. From easy to tricky, this collection includes 60 innovative crosswords created exclusively for the competition by leading puzzlemakers. Try to finish within the allotted time limits or challenge yourself with tournament-style play. Packed with expert solving tips, fun facts, and memorable puzzles, these crosswords will help you hone your wordplay skills and keep you entertained for days. Features: Easy to difficult championship grids Brain-melting rebuses, punny wordplay, and themed puzzles Crosswords with a scoring guide to re-create tournament-style play at home Complete answer key

See how far you can get! Serious solvers know that the puzzles in The New York Times get harder as the week goes on. From an easy Monday to a downright difficult Friday puzzle, this collection is sure to challenge you with each passing day. Can you make it all the way to the end of the week? - Featuring 50 New York Times easy to tough puzzles - Each puzzle labeled by day of the week - Edited by crossword legend Will Shortz

Give your brain a workout with this brand new collection of fiendishly difficult cryptic crosswords! Daily Mail Cryptic Crosswords Volume 2 will test your logic like never before. From complicated anagrams to complex wordplay, these puzzles will thrill beginners and experts alike. With 100 tricky puzzles, this volume is guaranteed to keep any crossword fan entertained!

Challenge your brain at home with these enjoyable puzzles. A jumbo crossword puzzle and general knowledge workout to test and stimulate the brain cells with 50 large grid puzzles from The Sunday Times. These puzzles use the 23 x 23 jumbo-size grid, and appeared in the pages of the Sunday Times, they offer an entertaining and stimulating challenge to all crossword lovers and anyone interested in quizzes, trivia and testing their all-round knowledge. Contains more general knowledge clues then the standard Times Jumbo crossword, for example names of famous people, titles of songs, books, films, plays, operas, musicals and TV shows; places and sights, quotations - questions with one or more words in a quote to identify as the answer.