Ha Ha ! I usually don't carry water colors with me. Most of the time, I'll draw stuff with a pen or pencil and a few days later, I'll paint over them.
I made the book in the photo from scratch. I really got into book binding a few years ago. If I have all the materials I need, I can put a book together in just about 3 or 4 hours.
If you are interested, there are lots of great books on the subject. I found this book particularly helpful:http://www.amazon.com/Hand-Bookbindi...6145304&sr=8-1