Jill Santopolo Books

The Light We Lost: Reese's Book Club

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The New York Times Bestseller and A Reese’s Book Club Pick  “This love story between Lucy & Gabe spans decades and continents as two star-crossed lovers try to return to each...

All that glitters

By Jill Santopolo

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"Sisters Aly and Brooke love spending time at their mom's popular and successful nail salon--it's their "home away from home." At the end of another incredibly busy day, Mom complains she is comple...

All that glitters

By Jill Santopolo

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Purple nails and puppy tails

By Jill Santopolo

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At Aly and Brooke's new nail salon, anything goes. Well, almost anything. One of their mother's regular clients doesn't go anywhere without her beloved dog Sadie, who's a canine star. One paw leads...

Purple nails and puppy tails

By Jill Santopolo

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Makeover magic

By Jill Santopolo

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When a new salon opens up across the street from Sparkle Spa just in time for the Fall Ball, Aly and Brooke worry about losing customers.

Makeover magic

By Jill Santopolo

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When a new salon opens up across the street from Sparkle Spa just in time for the Fall Ball, Aly and Brooke worry about losing customers.

Sparkle Spa

By Jill Santopolo

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"When Brooke breaks her arm, it's disastrous timing for the Sparkle Spa. The Auden Angels soccer team needs Rainbow Sparkles pedicures for good luck in the quarter finals."

Sparkle Spa

By Jill Santopolo

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"When Brooke breaks her arm, it's disastrous timing for the Sparkle Spa. The Auden Angels soccer team needs Rainbow Sparkles pedicures for good luck in the quarter finals."

The Sparkle Spa Shimmering Collection Books 1 4

By Jill Santopolo

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.