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Parkville
by
Eric Benjamin
Parkville Productions, 1979
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Sequencers / Level A / Grades 3-6 (Master the Skills of Logical Elimination)
by
Eric Benjamin
MindWare, 2006
Paperback
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Sequencers / Level B / Grades 4-7
by
Eric Benjamin
MindWare, 2006
Paperback
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