The Missing Clue (Usborne Whodunnits S.)
by Emma Fischel,Adrienne Kern,Gaby Waters
ISBN 13: 9780746005989
Format: Paperback (48 pages) Publisher: Usborne Publishing Ltd Published: 31 Dec 1995
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Practise Your BASIC (Usborne exercise books)
by Gaby Waters
ISBN 13: 9780860207436
Format: Paperback (48 pages) Publisher: Usborne Publishing Ltd Published: 15 Jul 1983
Simple BASIC (First computer library)
by Graham Round, Gaby Waters
ISBN 13: 9780860208013
Format: Paperback (48 pages) Publisher: Usborne Publishing Ltd. Published: 26 Oct 1984 Other Format: Paperback
Usborne Book of Superpuzzles: Map/Logic/Code (Usborne Superpuzzles S.)
by Gaby Waters,Radhi Parekh
ISBN 13: 9780746007365
Format: Hardcover (144 pages) Publisher: Usborne Publishing Ltd Published: 31 Dec 1995
Time Train to Ancient Rome (Puzzle Adventures)
ISBN 13: 9780746001547
Format: Hardcover (48 pages) Publisher: Usborne Publishing Ltd Published: 31 Dec 1988 Other Format: Paperback