Here is a collection of 100 ePUBS. Some are retail ones & some are made by fans. Mostly fall in the fiction category. Kindly seed after you download:

365 tomorrows 2021
1857 The Sword of Mastaan by Vineet Bajpai
A Horror Movie Cookbook
A Sky Full of Kite - A Rewilding Story
Assassins Gambit (Raby, Amy)
Aussie English - John O'Grady
Aussie Etiket - John O'Grady
Bad Boy Boogie - The True Story of AC.DC Legend Bon Scott
Bakers Dozen06 - Detective02
Beginner's Guide To Multimeters
Beyond The Barrier of Space - Pel Torro - Scrob
Beyond the Valley of Mist (Dicksion, William Wayne)
Bharat The Man Who Built a Nation
Big Bang - Ron Goulart
Boys Life by Robert McCammon
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The Unexpected Dimension - Algis Budrys 
They Came from Outer Space - Anthology
Trouble on Titan by Henry Kuttner
Turn Left on Thursday - Frederik Pohl
Two Dozen Dragon Eggs - Donald A. Wollhiem 
U.S.S.A - by David, Madsen
USSA by James N Frey,
Van Wageners Ways - W. L. Alden
Venus Equilateral by George 0. Smith
Vishwamitra The Man Who Dared to Challenge the Gods
Waves - Foster, M. A
We Belong Together by Beth Moran
Wolf Moon - Charles de Lint Scrob
World in Duplicate - John Russell Fearn