River Life,
A Journey from Headwaters to the Sea
Written and illustrated by Marianne D. Wallace
Middle Grade nonfiction
Butler Books in partnership with
Rivers Institute of Hanover College
ISBN 978-1-935497-63-9
Follow the seasons of life along three connected rivers: the Allegheny during spring, the Ohio during summer and the Lower MIssissippi during fall. Excellent educational resource and perfect for outdoor exploration.
Narrative story, full-color illustrations, table of contents, river facts, glossary, list of scientific names and an index.

Gold Medal Winner, Moonbeam Children's Book Awards

America's Ecosystems series

America's Forests, Guide to Plants and Animals
ISBN 978-1-55591-595-7
Written and illustrated by Marianne D. Wallace
Middle Grade nonfiction
Fulcrum Publishing
Earthsteps,
A Rock's Journey through Time
America's Seashores, Guide to Plants and Animals
ISBN 978-1-55591-483-7
America's Wetlands, Guide to Plants and Animals
ISBN 978-1-55591-484-4
America's Prairie and Grasslands, Guide to Plants and Animals
ISBN 978-1-55591-992-4
America's Mountains, Guide to Plants and Animals
ISBN 978-1-55591-383-0
America's Deserts, Guide to Plants and Animals
ISBN 978-1-55591-268-0
Written by Diane Nelson Spikert
ILlustrated by Marianne D. Wallace
Picture Book - fact-based fiction
Fulcrum Publishing
ISBN 978-1-55591-730-2

America's Bookseller's Pick of the Lists

Silver Medal winner, Independent Publisher Book Awards

Plants and animals of North American ecosystems. Full color illustrations, table of contents, maps, resources, index.
Follow along through 250 million years as a chunk of granite ultimately becomes a speck in a chunk of sedimentary rock. The "rock cycle" like you've never seen it before.
Full-color paintings, illustrated time-line, glossary and bibliography.

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Introduction to California Chaparral
CALIFORNIA NATURAL HISTORY GUIDE
Written by Ronald Quinn & Sterling E. Keeley
Illustrated by Marianne D. Wallace
UC Press
ISBN 978-0-52024-566-2
A guide for adult readers to the plants and animals of this widespread, fire-dependent California ecosystem.
Original line art illustrations.