Michelle Lynn is the USA Today bestselling author of the Invisibles series and the Love Surfaced series, in addition to several stand-alone novels. Visit her at michellelynnbooks.com.
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The equations are simple. Piper Ashby + Brad Ashby = Twin Siblings Brad Ashby + Tanner McCain = Best Friends Piper Ashby + Tanner McCain = Off limits Tanner and I abided by the rules. We stayed on our designated sides of the relationship circle. Ignor... SEE MORE