There aren't any on the market currently per se written towards being a manual for the Java ME exam. For my prep, I used some online resources and Beginning J2ME: From Novice to Professional, Third Edition from Apress.
Given some time after I finish a few more things on my plate, maybe I'll sit down and organize my notecards into a book...
Theodore Jonathan Casser
SCJP/SCSNI/SCBCD/SCWCD/SCDJWS/SCMAD/SCEA/MCTS/MCPD... and so many more letters than you can shake a stick at!