Brain Puzzles

by Jenny Tyler and Graham Round

Published 1 August 1980
-- Puzzle books full of thought provoking problems and brain teasers

-- Clues at the end of each book help with the more difficult problems


Number Puzzles

by Jenny Tyler and Graham Round

Published August 1980
-- Puzzle books full of thought provoking problems and brain teasers-- Clues at the end of each book help with the more difficult problems

Picture Puzzles

by Jenny Tyler and Graham Round

Published August 1980
-- Puzzle books full of thought provoking problems and brain teasers-- Clues at the end of each book help with the more difficult problems

Brainbenders

by Jenny Tyler

Published 31 July 1993
-- Puzzle books full of thought provoking problems and brain teasers

-- Clues at the end of each book help with the more difficult problems