TY - BOOK AU - Mensa TI - Train your brain. Puzzle book. Level 2 SN - 9781783121946 U1 - 793 21 CY - London : Carlton Kids, 2014 KW - Puzzles -- Juvenile literature KW - Puzzles N1 - Stun your school friends and amaze your parents with your awesome brainpower as you work your way through these mind-twisting challenges. Packed with tricky logic problems these brain-busting puzzles ER -