Introduce piano to students with these two interactive C the Cat Stories! The stories have C the Cat interacting with each animal as they enter the music staff. C the Cat Finds What’s Missing introduces Treble Clef and C the Cat Finds Friends introduces Bass Clef. The Animal Note Chart Cards are helpful with location of notes on the piano keyboard and can be printed on card stock and cut to fit your piano or keyboard. Follow these books with Books 1-4 for the complete set in the series.