Boeklezers.nl is a network for social reading. We help readers discover new books and authors, and bring readers in contact with each other and with writers. Read more ».
The Universe in a Handkerchief This book takes the reader on a tour of Lewis Carrolls world of mathematical games and word plays. 'The Universe in a Handkerchief' contains scores of Carrol... »
The Emperor's New Mind For many years the proponents of artificial intelligence have maintained that machines will soon do everything that a human can. This text takes the reader t... »
Perplexing Puzzles And Tantalizing Teasers Combines two previously published works, resulting in ninety-three brain-teasing puzzles, riddles, and questions with an emphasis on humor. »
Aha! A Two Volume Collection Aha! Gotcha and aha!Insight are here combined as a single volume. The Aha! books as they are referred to by fans of Martin Gardner, contain 144 wonderful pu... »