(HUDSON, N.Y.) – Woodstock author Abigail Thomas and Hudson author Chloe Caldwell will read from their work at the Third Floor Gallery (formerly Courville Gallery) at 341 Warren St. on Sunday, April 12, 2015, at 3pm. Admission to the event, presented by Karen Schoemer, Bookseller, is free. Thomas, author of “A Three Dog Life,” will…