500 of the World's Best Web Sites (Internet guides)
by Colleen Collier
ISBN 13: 9781902813301
Format: Paperback (288 pages) Publisher: Lagoon Books Published: 01 Dec 2000
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Kids IQ Puzzles
by Anna Claybourne,Colleen Collier
ISBN 13: 9781902813462
Format: Hardcover Publisher: Lagoon Books Published: 31 Dec 2001
Tremendously Tricky IQ Puzzles
by Colleen Collier, Nicki Mellows, Gary Sherwood
ISBN 13: 9781904797463
Format: Hardcover (80 pages) Publisher: Lagoon Books Published: Feb 2005