1000 Music Reading Studies for Mandolin by Robert Anthony
English | 2022 | ISBN: N/A | ASIN: B0B5LNPQNP | 202 pages | EPUB | 33 Mb
1000 Music Reading Studies for Mandolin includes all key signatures up to six sharps and flats, and time signatures: 4/4, 3/4, C, 2/4, 6/8, and 3/8.

The exercises are grouped by key signature, and each key starts at an easy level and progresses in difficulty with each new page. Since each key starts at the same, easy difficulty level, you may start with any of the thirteen key signatures.
In order to avoid the book having too many pages, the foreword, instructions, and preview are available for pdf download at Robert Anthony Publishing.