Hi All,
I've been learning to read and I've found so much of the music you see for bass either has tabs under it, so it pulls your eyes down and you go back to playing-by-numbers, or the score has no rhythm or tune to it.
I saw Jaco Pastorius in a video saying that to learn you should read and play anything and everything, well I got started and here's a few I've been using. I thought others may find it useful:
If others are interested I could post more Beginner: Amazing Grace - easier