John Ankerberg is offering a free pdf of the book he co-authored with John Weldon, The Passion and the Empty Tomb.
If you can’t afford a kindle but would like to have some digital books available for reading in any browser, try Google Books.
Here’s the library I’ve compiled so far, with an eye towards reading them over my lunch hours. I’m not sure how the library link will work, so I’m going to wing it and then try it out on another laptop.
(PS – Looks like the link works fine so I’ll leave it in place.)