"Do Them No Harm!" is a compelling 1990 hardcover by Zoa L. Swayne, offering an in-depth interpretation of the Lewis and Clark Expedition's interactions with the Nez Perce Indians. This signed edition provides a unique perspective, combining Nez Perce narratives with excerpts from the explorers' journals, shedding light on the cultural exchanges during this pivotal period in American history. The book features brown boards with gilt-stamped lettering and decorative endpapers showcasing a map drawn by the author, detailing the westward journey through Nez Perce territory. The dust jacket, adorned with a black and white illustration of Lewis and Clark among the Nez Perce, shows minimal wear, while the book itself remains in near fine condition. This volume is an invaluable addition for collectors and enthusiasts of Western Americana, Native American history, and exploration narratives.