100 books • 31 series
The Unbelievable Origins of Snake Oil and Other Idioms (Idioms)
The Peculiar Stories Behind Raining Cats and Dogs and Other Idioms (Idioms)
The Bizarre Origins of Kangaroo Court and Other Idioms (Idioms)
The Over-The-Top Histories of Chew the Scenery and Other Idioms (Idioms) (Idioms (Child's World))