Two books I can think of: Jini in a Nutshell -- really a reference, but the examples are small and simple. I would buy anything written by Oaks and Wong on sight -- they're very, very good at breaking things down for easy digestion. Jini by Example -- This is Keith Edwards' follow-on to Core Jini, which from all accounts was a bit of a rush job.
Make visible what, without you, might perhaps never have been seen. - Robert Bresson
Poop goes in a willow feeder. Wipe with this tiny ad: