Theory of Music Made Easy Grade 1 presents the rudiments of theory divided into short chapters.
This popular series by Lina Ng is designed to prepare musicians for exams as the information is presented in bitesize sections, and each volume in the series builds on the work of the last. The series corresponds to the ABRSM Theory syllabus.
There are revision chapters, covering two topics at one time and it is interspersed with cheerful illustrations, making learning more fun.