Jonathan Firth is a teacher, teacher educator, author and researcher. Having taught psychology at secondary school level for many years, he now works in teacher education at the University of Strathclyde, Glasgow. His research interests focus on memory and desirable difficulties, teacher metacognition and professional research engagement. He writes support books for teachers, most recently Psychology in the Classroom (2018, co-authored with Marc Smith), and The Teacher’s Guide to Research (2019), while his short book How to Learn (2018) is aimed at school or university students who are preparing for exams. He lives on the west coast of Scotland.