In English | |
ISBN: 0-86020-743-9 (Fennica) (HelMet) (Kirjastot.fi) (Library of Congress) | Publisher: Usborne Publishing Ltd. 1983 |
Puzzles, tests and problems to improve your skills
This page has been created by Sami Rautiainen. | |
Read the small print. | Last updated Jan 22, 2006 |