Cello Time Sprinters : Cello Accompaniment Book, Hardcover by Blackwell, Kathy; Blackwell, David, ISBN 0193401169, ISBN-13 9780193401167, Like New Used, Free shipping in the US An addition to the Cello Time series for young cellists, this book provides cello accompaniments to all of the pieces in Cello Time duet part is suitable for a teacher or more advanced student, and this duet book will enhance lessons by providing an alternative accompaniment option for these pieces.