Find a Series Browse: Series | Subject | Author | Book Search 0-9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z Mustache Series Subjects: Babysitters, Humorous Stories, Twins, Nannies # Book Title Author 1 Day the Mustache Took Over, The Katz, Alan Find It Check The Catalog Find it on Amazon.com Find it on Goodreads.com 2 Day the Mustache Came Back, The Katz, Alan Find It Check The Catalog Find it on Amazon.com Find it on Goodreads.com