The Everything Kids' Giant Book of Jokes, Riddles, and Brain Teasers (Part of Everything® Kids Series) Michael Dahl, Kathi Wagner, Aubrey Wagner, and Aileen Weintraub eBook £5.99
The Everything Kids' Math Puzzles Book (Part of Everything® Kids Series) Meg Clemens, Sean Glenn, Glenn Clemens, and Sean Clemens Trade Paperback £6.99