Imperialism and Expansionism in American History by Chris J. Magoc & David Bernstein
This groundbreaking four-volume encyclopedia offers sweeping coverage of a subject central to American history and of urgent importance today as the nation wrestles with a global imperial posture and the long-term viability of the largest military establishment in human history.
SF: The Japanese Science Fiction Film Encyclopedia
Informed by its disaster-prone history, Japan's science fiction cinema is distinctive. SF covers a wide variety of these films across six decades; from the aftermath of Hiroshima to the COVID-19 pandemic.
Oh wow! I didn’t know that the World Book encyclopedia was still in print! This is the exact brand of encyclopedia that I grew up with and exactly why I started contributing to @wikipedia in 2002.