In the third novel of this series, danger increases when Xander makes a startling discovery that explains why the King family has not found any doors in the house that lead to the future. Alongside the threats, though, the Kings are starting to find some surprising allies.

Gatekeepers 2013, Blackstone Audiobooks

ISBN-13: 9781441777447

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Gatekeepers 2011, Blackstone Audiobooks

ISBN-13: 9781441777430

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Gatekeepers 2011, Blackstone Audiobooks

ISBN-13: 9781441777454

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Gatekeepers 2011, Blackstone Audiobooks

ISBN-13: 9781441777423

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Gatekeepers 2009, Thomas Nelson Publishers, Nashville

ISBN-13: 9781595547293

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Gatekeepers 2009, Thomas Nelson Publishers, Nashville, TN

ISBN-13: 9781595544988

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