E-books are no longer part of the game. To get enchants, you go to the exp shop (/warp EXPshop) and buy enchants there with experience.
That just isn't true. Ebooks do exist and are able to be applied to items via an anvil (extcommands+). Unfortunately, ebooks have a large price range and I cannot give you an exact price for any.
In my opinion, I have tons of e-books, which I do in fact sell. But the way I price them is depending on how much people want them. Normally your common e-books that everyone want such as Efficiency, Unbreaking, Silk Touch, etc. I set higher prices on those due to everyone wanting them. Your other e-books, I set low prices for them. Such as Blast Protection, Fire Protection, Projectile Protection, etc. I sell them at a lower price since everyone mainly wants normal Protection. I guess the only way to really set a price range is based upon the community and what they're looking for. But if there's a certain book you'd like to know the price of. Just send me a forum message or pm me in game, I'll gladly help you out.
E-books are still available in the game, they're commonly found in Dungeons, and Abandoned Mineshafts.
I use to have a lot more, around 20+ to be honest, but I couldn't get anyone to buy them, so I just deleted them
They were worthless, I wasn't going to ask someone with ExtCommads+ and say "Yeah, I have about 200 Sharpness 1 e-books, combine then all for me." All of them were books that no one really wanted, such as blast protection or projectile protection. I wouldn't throw away ones that are actually worth something. P.S. Pls no potato
It's an amazing feature to have, but since I'm a Candian resident, the only time I really buy features is when there's a massive sale XD