From my standpoint, to date, those are the 5 best Disney history books of the year. A few more to come in November and December.

Ron Clements, Making Disney Magic . . . from a Mermaid to Moana

Didier Ghez, The Wonderful Worlds of Disney: The Scenic Art of Walt Disney Animation Studios 

Joe Rohde, Floating Mountains: The Art of Imagining the Impossible 

David Lesjak, Award Winning Walt: The Personal Awards of Walt Disney

JB Kaufman, Kaufman at the Movies: Articles & Essays 1987-2021, Volume 1