When my boxes of author copies start piling up like this, it’s time to do a big giveaway! Enter the Rafflecopter below to win one of 8 (that’s right, EIGHT) signed paperback copies of my Andre-Norton-nominated, Oregon Book Award finalist, Jr. Library Guild-selected young adult science fiction novel Exo

North America only. Contest ends 10/8/18.

a Rafflecopter giveaway