Title: Book of computer puzzles
Description: This book was the result of the best puzzles submitted to a competition in Acorn User magazine . The book is worth buying just to see the elegant coding of the winning puzzle which solves the ancient puzzle of the Chess Board Knight's Tour without resorting to the usual 'diamonds and squares' method. 
Sadly, the editor Simon Dally died on the 26th of March 1989.
Subjects: Puzzles, Microcomputers, Data processing