Keep in mind there's a wireless glitch with the simple touch, it may not like your router. Had to set up a separate 801.11b router to talk to the simple touch

Keep in mind there's a wireless glitch with the simple touch, it may not like your router. Had to set up a separate 801.11b router to talk to the simple touch as it didn't like connecting to our 802.11n mixed mode one. I think this is specific to the simple touch model. It's my wife's eBook so I cant comment on the technical books part. Though I would research PDF usability if that is a factor for you... Might be limited on book file size.