★It's an invitation to the world of mathematics for everyone!
★The series is designed to speak to all readers about mathematical thinking and logic in an easy-to-understand, engaging way that shows how fascinating math can be, whether you're 8 or 99 years old!

The series includes 9 titles:
Problems, reasoning and demonstrations 1
Games, trivia and problems 1
Discoveries, problems and challenges 1
Problems, reasoning and demonstrations 2
Games, trivia and problems 2
Discoveries, problems and challenges 2
Problems, reasoning and demonstrations 3
Games, trivia and problems 3
Discoveries, problems and challenges 3

The second volume in the series "Problems, Reasoning, and Demonstrations," this book is aimed at anyone 14 and older who wants to have fun solving math games, quizzes, and riddles. The problems give special emphasis to geometric properties and logical deductions. The book includes historical insights on philosophers and mathematicians of antiquity, all in a playful and engaging.

Maria Borzì, teacher, has a long experience in the organization of mathematical games and in activities related to the learning and dissemination of the discipline. She is the creator and organizer of the "math room" within the exhibition of technology and science set up annually at the Galileo Ferraris Institute of Acireale.

Antonino Casto teaches applied mathematics at the ITET "G. Tomasi di Lampedusa" of Sant'Agata Militello, he has been charged by Invalsi for the training of teachers in the interventions provided by the Seminars of the "Information and Awareness Plan on the OECD-PISA survey and other national and international researches" and, for over five years, for the training of teachers of mathematics within the National Plan M@t.abel.

Filippo Cavallari, completed his doctorate in mathematical logic in co-tutorship between the University of Turin and the Université de Lausanne (Switzerland), and is a teacher in secondary school. He also obtained a first level master in "Journalism and institutional communication of science" at the University of Ferrara.