The first puzzle book from bestselling author Janice Hallett, featuring a new A Box Full of Murders mystery. Perfect for fans of Murdle Jnr and Cluedle. Join super sleuth siblings Luke and Ava as they find themselves tangled up in a new mystery - but this time YOU'RE on the case! From mazes and crosswords to code cracking and sudokus, this puzzle book will put your detective skills to the ultimate test. You will need to unearth clues, decipher top secret messages, and stop a crime before it's too late... YOU know the facts. YOU have all the clues. Can YOU solve the puzzles and crack the case? Featuring 100+ puzzles, this is the perfect activity book for budding detectives aged 8-12.