Suggestion about writing a j2me Bookُ

i want to write a book about j2me(not english) . I am confused about what topics really need to be covered. it won't be a reference book but a book with 300 pages that makes developers to enter j2me mood.
I am posting my intended index of the book. Please let me know if you feel that a subject is not important to be covered or there is a subject that should be covered.
Thanks!
introduction to j2me
introduction to CLDC and MIDP
Architecture of a MIDP application
high level user interface and events
data persistency
low level user interface
generic connection framework
optimizing j2me apps
internationalization
bluetooth and obex
SMS and MMS
Quick introduction to java programming language(Appendix)
Sample Project(Appedix)

what do you think about adding an introduction
to wireless networks and/or m-commerce?I would think that your 2 introductory chapters would tell the readers just about everything they could do with j2me, kind of make them go -- Hey, if I can learn this stuff, I can do that! -- might even be a selling point, I at least glance though the opening chapters when I'm deciding which book to buy.
That said, I would suggest that you go easy on any restricted API that requires a signed jar --- digital signatures don't come cheap, and your book seems to be targetted at pre-beginners who wouldn't need details on stuff they wouldn't even be able to test without a signature.
Enough that they know it can be done, but that they can see results only on the emulator, not in the real world.
Yes, a couple of simple examples on these topics might be well received -- but, within your 300 pages, not at the cost of stuff that the reader can actually build, install and use.
:D
edit frog got the [ i ] -- forgot the /
Message was edited by:
Darryl.Burke

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|   0 | SELECT STATEMENT     |                         |     1 |   148 |   529K|        |      |
|   1 | SORT AGGREGATE      |                         |     1 |   148 |       |        |      |
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Thans for the reply Urs,
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|   0 | SELECT STATEMENT REMOTE|              |     1 |    78 |   529K|       |       |        |
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|   3 |    PARTITION RANGE ALL |              |       |       |       |     1 |   128 |        |
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|   5 |    REMOTE              |              |     1 |    36 |    10 |       |       | !      |
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