Yes, we've used the book rather than the online courses, and it's worked well for us.
Instruction is included in the text. My girls both also liked watching the free videos on the AOPS website that go along with the prealgebra book (they enjoy RR's humor), but those are not necessary for a kid who's not interested in them.
It is much different visually, but neither of my girls seemed bothered by that. Oldest used Math Mammoth when she was younger, and the crowded feel of those pages was very much bothersome to her at that point. But the AOPS Prealgebra book was fine when she started