A book isn't needed. Your dealer will do a walkthrough and you can ask questions. Some walkthroughs are better than others. Then you have these forums. Lots of youtube videos on the subject. Ultimately you just have to go to a campground and do it. Learn on site. Lots of people to ask. Pick somewhere close by for the maiden voyage. Not too far away from stores if you need something. And use that to learn.
It all sounds intimidating but it's really not.
Get a rhino sewer hose.
Brass water regulator
approved drinking water hoses. I have 2x 25'
black tank chemical
black water tank flush hose
level blocks if needed
chocks. Both wheel chocks and x chocks
block for jacks if needed.
I put tire covers on when trailer is at home to reduce UV damage to tires. Not needed but I got them for free.
Some comfy chairs
I keep some speed clamps and teflon tap. Some plugs if I need to cap off a water line.
trailer lock so someone can't steal it easily
And if all else fails, beer!
I think that's the basics. Take it out, give it a shot and make a list of what else you need or questions you may have.
2015 Ram 2500 Big Horn, 6.7 cummins, Crew Cab, 4x4
Mid 2016 Outdoors RV Creekside 23DBS, w/backcountry x4 and armor options.