Transported into strange underwater worlds by the half a sea shell William owns, Mary and William conduct a seemingly hopeless search for the other half of the shell.
Used availability for Penelope Farmer's William and Mary
Hardback Editions
October 1974 : UK Hardback
Title: William and Mary
Author(s): Penelope Farmer
ISBN: 0-7011-5060-2 / 978-0-7011-5060-0 (UK edition)
Publisher: Chatto & Windus
Availability:
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May 1977 : UK Paperback
Title: William and Mary (Piccolo Books)
Author(s): Penelope Farmer
ISBN: 0-330-25100-7 / 978-0-330-25100-6 (UK edition)
Publisher: Macmillan
Availability:
Amazon Amazon UK Amazon CA January 1974 : USA Paperback
Title: William and Mary: A Story
Author(s): Penelope Farmer
ISBN: 0-689-50005-X / 978-0-689-50005-3 (USA edition)
Publisher: Atheneum
Availability:
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