You’ll find both hardcover and paperback formats aimed at juvenile and adult readers. Suggested ages in these titles range roughly from about 8–9 years (children’s/juvenile books) up through young-adult and adult levels (around 22 years and up).
Both. Some Ohio-focused titles are conventional history or reference narratives, while others use graphic-novel or illustrated formats—especially juvenile nonfiction that uses comics-style panels and illustrations to tell escape stories.
Most focus on the antebellum and Civil War–era decades—the early-to-mid 19th century through the Civil War period (commonly around the 1850s into the 1860s and the postwar years referenced in some works).
Page counts range from short juvenile graphic books of about 32 pages up to longer history volumes of roughly 320 pages.
Many juvenile titles use graphic-novel or comic formats with illustrations and speech bubbles and keep text minimal to engage younger or reluctant readers while still conveying historical facts.