* "These girls remain the most awesome, kick-butt teens ever, but now readers are also getting a glimpse at what makes them vulnerable...This reviewer loves the series, enjoyed this book, and is struggling to wait for the next one."
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VOYA, starred review
Praise for Cross My Heart and Hope to Spy"It is difficult to imagine what teen girl would not want to read-and reread-this second book in a butt-kicking series."
--VOYA
Praise for I'd Tell You I Love You, But I'd Have to Kill You"Readers will eagerly anticipate the next installment."
--Publishers Weekly
Praise for Only the Good Spy Young"Humorous, fast-paced fun."
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School Library JournalPraise for Out of Sight, Out of Time* "This episode is nearly three hundred pages of perfection, and the only regret fans will have when they are done is being one step closer to the final installment of this outstanding series."
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VOYA, starred review
Praise for United We Spy"A satisfying close."
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School Library Journal