1-Enigmas, Puzzles and Encrypted Messages: A month of brain sport

Some people prefer number games, others prefer word games; they all like to make the cogs of their brains work. This booklet offers thirty small problems to solve: logical puzzles, algebraic or alphabetical puzzles, cryptograms. Solve a problem a day, to keep your mind young and alert while being entertained.Neither all enigmas nor all puzzles have the same level of difficulty.The classification is thematic: each topic includes extremely simple problems and others more difficult, some with one or more clues. The Bonus is extremely difficult ... and does not benefit from any hint.Have fun finding 15 solutions to receive your gift.