1. Charles Xie, Foreword, in Infrared Cameras in Science Education, Springer, 2022
  2. Corey Schimpf, Şenay Purzer, Jenny Quintana, Elena Sereiviene, and Charles Xie, What does it mean to be Authentic? Challenges and Opportunities Faced in Creating K-12 Engineering Design Projects, in Design Thinking: Research, Innovation, and Implementation, Series: Transforming Education Systems, 2021