Wissen, was kommt.
A collection of many types of puzzles. It includes riddles, lateral thinking problems, mathematic...
Over 100 riddles, conundrums, and lateral thinking teasers and more to challenge your solving ski...
Two-hundred science puzzles focused on real-world questions to be investigated at home, demonstra...
Este libro está lleno de preguntas científicas fascinantes y sus respuestas, todas ellas basadas ...
The problems in this book describe situations which are unusual or even bizarre, and which defy a...
Geometry puzzles, physics puzzles, strange situations, general puzzles, chess problems with a dif...
Riddles, lateral thinking problems and mysteries jostle with each other in this collection of 200...