I Went to Hell - Kenneth E Hagin
My Time in Heaven - Richard Sigmund
Heaven: Close Encounters of the God Kind - Jesse Duplantis (not on Kindle)
Heaven is Real - Todd Burpo
90 Minutes in Heaven - Don Piper
A Place Called Heaven - Gary L. Wood
Clinically Dead - I've Seen Heaven and Hell - Jenny Sharkey (Ian McCormack's story)
To Heaven and Back - Mary C. Neal
Maurice Rawlings -- various books, none available on Kindle. Especially get "To Hell and Back" and "Beyond Death's Door"
My Journey to Heaven - Marvin J. Besteman