I was going to give you some links into Tower's Online Catalogue but I had my 2006 "book" open beside me here so just flipped to the back to look at what they'd have. Looks like they got way more than the LHS has.

There are a lot of them, but some don't apply much nowadays. Since most everything is ARF nowadays the comprehensive books would have a bunch of pages on building and that wouldn't be as useful as..... HARRY HIGLEY'S MOSTLY MOUNTING looks to be excellent for today's RC world. It would give a bunch of good info on what everyone should be doing with their ARFs. It's about $20 from Tower. My LHS has it for $24.

I got HARRY HIGLEY'S GETTING AIRBORNE Vol 1 (or at least HAD it at one time) and it's very good. Tower has it for $16. My LHS doesn't have it.

Model Airplane News has a ton of books. I was surprised by how many are listed in this catalog. I've only seen a couple of them in LHSs but the ones I saw were good.

There are even videos.....