Method & Instruction Books
To speed up your search for the perfect method or instruction book, you might want to consider using the "Subcategories" function to narrow down your search. For example, if you're in a marching or concert band, click on "band methods" and you'll be given only options for band applications. Under that category, you'll come across many top sellers, including the Hal Leonard Essential Elements for Band - Bb Trumpet (Book 1 with EEi) and the Alfred Stick Control for the Snare Drummer (Book).
Method and instruction books are also available for virtually every stringed instrument you can name. Use the same function mentioned above and click on "string methods" and you'll have the pleasure of browsing popular instruction books for the cello, double bass, viola, and for methods for conductors. The KJOS Standard of Excellence Books consists of volumes for many different stringed instruments, and Carl Fischer is also a respected publisher among educators for their ABC's method books for beginner and intermediate musicians.
Of course, the best way to decide on a method and instruction book is to see them for yourself, so by all means start exploring your options whenever you're ready. Owning a decent collection of method and instruction books will do wonders for your musical progression, and you don't need to look any further than this section for a wide range of choices.