Please note: Corwin offices will be closed December 23rd – January 2nd. All orders placed during this time will not be shipped until our offices reopen.
To receive books by early January, we recommend ordering by Dec 16th.
Use promo code HOLIDAY for 25% off and FREE shipping on all professional learning books until 2022!
Dr. Jessica Hannigan is an Assistant Professor in the Educational Leadership Department at California State University, Fresno. She works with schools and districts throughout the nation on designing and implementing effective behavior systems.