Logic Tutorial Materials

Does anyone have experience or a viewpoint on these training materials?

"Apple Pro Training Series: Logic Pro 7 and Logic Express 7

Veteran audio producer Martin Sitter uses step-by-step, project-based 
instruction and straightforward, jargon-free prose to guide you through 
the countless creative options Logic affords for audio production."

It's here and cost $45-ish:

http://tinyurl.com/rckt3
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Thank you and have a nice day.