The Psammead Trilogy

From Author Wars - https://authorwars.com/books/the-psammead-trilogy-2998668.html

Overview:

Title: The Psammead Trilogy
Author: E. Nesbit
Year: 2022
Type: Omnibuses

Editions/Publications:

2022 . The Psammead Trilogy (2022, E. Nesbit, Dreamscape Media, $55.99, digital audio download, Omnibus)