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In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

Peggy A. Hammeken

Peggy Hammeken began her career as an elementary teacher in the American Embassy School in Mexico City. Upon return to the United States, she taught students in the areas of specific learning disabilities, mental retardation, and emotional/behavior disorders. With the implementation of inclusive education, she was involved with the set-up of inclusive programs and staff development and training for educators and paraprofessionals. She has authored three books on the subject. Hammeken received her elementary teaching degree and her master’s degree in special education from Minnesota State University, Mankato. Hammeken founded Peytral Publications, Inc., a publishing house focusing on inclusive education of students.