Sam and his mother talk about the different kinds of cells in his body, how they grow, and how in doing so they help him grow. This description may be from another edition of this product.
The information about cells is delivered in a conversation between Sam and his Mom. Useful, but it is not on a level with the Magic School Bus. It contains good color illustrations, and I would recommend it to teachers and students in the 2nd and 3rd grades.
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