These are the titles I've most commonly seen in my clients home.
[url]http://www.amazon.com/Once-Upon-Potty----Girl/dp/1554072840/ref=sr_1_11?ie=UTF8&qid=1392181809&sr=8-11&keywords=potty+training+book
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http://www.amazon.com/Potty-Girls-Alyssa-Satin-Capucilli/dp/0764152319/ref=sr_1_2?ie=UTF8&qid=1392181809&sr=8-2&keywords=potty+training+book
My take it with a grain of salt advice is:
Try it over Presidents Day weekend (I refuse to acknowledge we might be snowed in soon) leave her bare on the bottom and take her to the potty frequently.
Best of luck!