Music Theory Made Easy Grade 4 - Lina Ng
This graded series by Lina Ng and others presents the standard theory syllabus of the ABRSM but with a focus on child-friendly layout - especially in the earlier grades. Information is presented in bitesize sections, and each volume builds on the work of the last.
This book presents the rudiments of theory divided into short chapters. There are revision chapters, covering two topics at one time. The book is interspersed with cheerful illustrations, making learning more fun.