Tricky thinking problems [electronic resource] : advanced activities in applied thinking skills for ages 6-11 / John Langrehr and Jan Langrehr.
Publication details: London : Routledge, 2008.Description: 68 p. : illISBN:- 9780203926468
- Also available in print edition. CRC Press (http://www.crcpress.com)

"A David Fulton book."--Cover.
Also available in print edition. CRC Press (http://www.crcpress.com)
Mode of access: World Wide Web.