Greg's Microscope
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Greg gets a microscope and has a fascinating time looking at sugar and salt crystals, thread, hairs, and cells.
Millicent E Selsam
Millicent Selsam was a popular childrens science writer whose work includes Egg to Chick, a Reading Rainbow book illustrated by Barbara Wolff, and Gregs Microscope, illustrated by Arnold Lobel.
Marlene Hill Donnelly is a staff artist at the Field Museum of Natural History in Chicago.
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