This products contains 2 voulmes. The book is in a spiral bound and is a hard copy of Vol. 1 and 2. of Joseph Prunner's famous compendium of all scales and arpeggios in every possible position on the Double Bass. Beautifully edited by Dr. Daniel Stotz, principal bassist of the West Valley Symphony in Arizona, these volumes are essential for all serious players of the Double Bass. MMHC Cat. # Stringsdblbass 00012