I just looked at whitepaper books, but I'm not sure how they work. Seems like they sell paperbacks?

My husband and I have written several books, but so far only sell the pdf for sats, and the rest of formats through Amazon.

But if you'd be interested in a pdf for sats, you can check out our books at FikaTimeBooks.com 🤗

Any book that doesn't yet have a "buy for bitcoin" button can be sold through Nostr DMs.

We just has a baby so we're slowly working on getting all of our books selling for sats through our website.