Test of Integrated Language and Literacy Skills™ (TILLS™), by Nickola Wolf Nelson, Ph.D., Elena Plante, Ph.D., Nancy Helm-Estabrooks, Sc.D., and Gillian Hotz, Ph.D. Copyright © 2016 by Paul H. Brookes Publishing Co., Inc. All rights reserved. Test of Integrated Language and Literacy Skills, TILLS and are trademarks of Paul H. Brookes Publishing Co., Inc.