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Where Do Babies Come From? For Ages 6 to 8 and Parents
by Hummel, Ruth
ISBN: 9780570035633
List Price: $10.99
5.
Interpretation of Climate and Photochemical Models Ozone and Temperature Measurements
by Reck, Ruth A., Hummel, John R.
ISBN: 9780883181812
List Price: $33.00
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Where Do Babies Come From?: For Boys Ages 6-8 (Learning about Sex (Hardcover))
by Hummel, Ruth, Ruth Hummel
ISBN: 9780758649539
List Price: $14.99
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Where Do Babies Come From?: For Girls Ages 6-8 - Learning About Sex (Learning about Sex (Har...
by Hummel, Ruth, Ruth Hummel
ISBN: 9780758649546
List Price: $14.99