Here’s a partial list of punctuation and grammar books available on Amazon (from one of their email listings):
Punctuation
by G. Miki Hayden
http://www.amazon.com/gp/product/B006UUSIVC/ref=em_si_text
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The Blue Book of Grammar and Punctuation: An Easy-to-Use Guide with Clear Rules, Real-World Examples, and Reproducible Quizzes
by Jane Straus
http://www.amazon.com/gp/product/B00I0SJXN4/ref=em_si_text
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English Grammar & Punctuation
by Shelley Evans-Marshall
http://www.amazon.com/gp/product/B008S04I3Y/ref=em_si_text
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The Best Punctuation Book, Period: A Comprehensive Guide for Every Writer, Editor, Student, and Businessperson
by June Casagrande
http://www.amazon.com/gp/product/B00G1J1QFM/ref=em_si_text
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English Grammar Workbook For Dummies
by Geraldine Woods
http://www.amazon.com/gp/product/B004SIT452/ref=em_si_text
Joy V. Smith 