The ultimate guide to the New York Times bestselling series, with an introduction by Rick Riordan! This book is the ultimate source of all Cahill knowledge. It contains every buried secret, Cahill weapon or gadget, all the strongholds, and each agent and founder. In it, you will discover the true story of Madeleine Cahill as well as what happened after Isabel Kabra was charged with murder. Nothing has been held back. Seven Cahill agents came together to bring you this book, betraying their branches and their most deeply held beliefs. They did it because there is an enemy approaching far more powerful than the Cahills. Keep this black book close at all times, and be ready.
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Express shipping: This same-day or next-day shipping option is available if your shipping address is in Metro Manila and you want your books delivered fast! It costs Php 250 and the cut-off for orders and payments for same-day shipping is at 11:00 AM, working days only. If you ordered and paid past 11:00 AM with this shipping method, we promise that you will get your order on the next working day. (This does not apply to weekends and non-working holidays.)
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