Uprising 2050 by D.R. Bauer

For an entire year Christine, a mother of two young children, doesn't know how or why her husband and twenty three other people disappeard into thin air with leaving a trace. Then after a year she learns why they disappeared. The people responsible for her grief were and will still be her friends. She knows the strangeness of her convictions but can only go on with the feelings that are in her heart.