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The first book in Lisi's first series, The Clique, is published by Little Brown and Company. The title of the book is also called The Clique.
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Harrison leaves her position at MTV as Senior Director of Development (person who creates shows) to become a full-time writer.
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Lisi's second book, Best Friends for Never, is published.
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Revenge of the Wannabes, Lisi's third book, is published.
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Invasion of the Boy Snatchers, Lisi's fourth book in The Clique Series, is released.
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Lisi's fifth book is published. It is called The Pretty Committee Strikes Back.
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Lisi's sixth book, Dial L for Losers, is released.
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In January of 2007, Lisi moves from New York City leaving her friends behind, and to Laguna Beach, CA
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Lisi has her seventh book, It;s Not Easy Being Mean, published.
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Lisi's eighth book, Sealed Wtih a Diss, is released.
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Bratfest at Tiffany's, Lisi's ninth book, is published.
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Lisi's tenth book is published. It is the first novella of the Clique subseries, The Clique Summer Collection, and is called Massie. It is about Massie's summer.
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Dylan, the second novella in the Clique Summer Collection, is published. It is also Lisi's eleventh book.
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Lisi's twelfth book, Alicia, is published. It is also the third book in the Clique Summer Series, a subseries to the Clique.
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Kristen, Lisi's thirteenth book, is published. It is also the fourth in the subseries, The Clique Summer Series.
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Lisi's fourteenth book is released. It is the fifth, and last, book in the Clique Summer Series, a subseries to the Clique.
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P.S. I Loathe You, Lisi's fifteenth book, is released.
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Lisi's sixteenth book, Boys R Us, is published.
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Lisi's releases another book. It is the first book in her second series, The Alphas. It is called The Alphas. One of its characters, Skye Hamilton, is from Lisi's first series, The Clique.
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Lisi publishes her seventeenth book. It is a prequel of the series called The Clique: Charmed and Dangerous.
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Lisi publishes a "cliquetionary"; a dictionary based on the series. It is her eighteenth book.
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Lisi releases her ninteenth book. It is called These Boots Were Made for Stalking.
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Lisi releases her second book of the Alphas series. It is called Movers and Fakers.
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Lisi has her twentieth book published. It is called My Little Phony.
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Belle of the Brawl is the third book in The Alphas series.
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Lisi has her twenty-first book published. It is the last book of the The Clique series, and is called A Tale of Two Pretties.
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The fourth and final book in The Alphas is published. It is called Top of the Feud Chain.