Two great concertos in a single edition: the Tchaikovsky Piano Concerto No. 1 in B-flat Minor, Op. 23, and the Rachmaninoff Piano Concerto No. 2 in C Minor, Op. 18. Each concerto is accompanied by an orchestral reduction for second piano — the universal standard for learning and rehearsing all concertos. G Schirmer edition.
Here's a sample of other books in this Dover category
The Nutcracker: Complete Ballet for Solo Piano by Peter Ilyitch Tchaikovsky Faithful to the original score, this delightful arrangement by Sergey Taneyev and the composer himself renders the entire ballet in a style both idiomatic to the piano and specially designed to be relatively easy to play.
The Complete Preludes and Etudes for Pianoforte Solo by Alexander Scriabin This volume collects Scriabin's finest, the complete etudes and preludes for the solo piano. Includes the 12 etudes from Op. 8 and the 24 Preludes, Op. 11; Preludes, Opp. 33 and 48; and the Etudes, Op. 42.