Jay McTighe & Grant Wiggins 
Solving 25 Problems in Unit Design [PDF ebook] 
how do I refine my units to enhance student learning? (ASCD Arias)

Curriculum design experts Jay Mc Tighe and Grant Wiggins have reviewed thousands of curriculum documents and unit plans across a range of subjects and grades. In this book, they identify and describe the 25 most common problems in unit design and recommend how to fix them–and avoid them when planning new units.Mc Tighe and Wiggins, creators of the Understanding by Design framework, help you use the process of backward design to troubleshoot your units and achieve tighter alignment and focus on learning priorities. Whether you’re working with local or national standards or with other learning goals, you can rely on their practical and proven solutions to promote deeper and better learning for your students.