The odd thing is the The Incredible Umbrella Tetralogy which is all four stories came out in 2019 from Wildside Press which does lots of ebooks along with their paper ones. So why isn't in in ebook also.

If you like those kind of stories and haven't read deCamp and Pratt's Incomplete Enchanter stories yet you might like them. Not in ebook apparently.
They wrote a number of stories over a length of time. So you don't want The Incomplete Enchanter, or The Complete Enchanter, or even The Complete Complete Enchanter but you want The Mathematics of Magic which has all plus essays about them from other SF authors.

The main character comes up with a way to use symbolic logic adjusting your logic to the logic of a legend or story so you end up in it. The world of the Norse gods, Spenser's Faerie Queene, Ariosto's Orlando Furioso, the Finnish Kalevala, and the Irish Táin along with Oz and Barsoom.

Last edited by dcarson; 02/25/22 01:13 AM.