
Over a hundred enigmas to solve, as well as logical puzzles, magic squares, brain teasers, riddles and more to wake up, perk up and bend your grey matter.
Writing a summary for young readers…
For young readers
Book data: Open Library

Over a hundred enigmas to solve, as well as logical puzzles, magic squares, brain teasers, riddles and more to wake up, perk up and bend your grey matter.
Book data: Open Library