This just in from David Peake:

[I just found this  today on the Hachette Book Group website:

Practically Poppins In Every Way - A Magical Carpetbag of Countless Wonders by Jeff Kurtti (November 2018).

Also the Taschen Disneyland book has dropped off the Amazon website.
The Ub Iwerks and Monorail books both have release dates in 2019.]