FingerTips is a fantastic technique and thoery book for the piano by Elizanbeth Cobb, Jane S. Lewis and Judith R. Strickland. Book 5 includes dominant 7th chords, mixed cadences, warm-ups for cadences, two-octave arpeggios, interval inversions, some fun with scales, and arpeggio fingering. In addition, most major and minor keys are also covered.