books by author
Serebriakoff
A Mensa Puzzle Book
Test Your I.Q.
A Second Mensa Puzzle Book
The Mammoth Book of Puzzles: New edition (Mammoth Books)
THE MAMMOUTH BOOK OF PUZZLES.
The Mammoth Book of Mindbending Puzzles (Mammoth Books)
Educating the Intelligent Child
Check Your Child's I.Q.
