Give your mental muscles a real workout with this vibrant, beautifully
illustrated puzzle book. Jam-packed with picture and number-based
puzzles for you to complete, this will turn you into a Sudoku black belt
in no time. Perfect for puzzlers aged 6 and up.
ABOUT THE SERIES: Brain Boosters is an engaging educational series,
full of mind-boggling puzzles and activities which are designed to test
the math and logic skills of young readers.