The color(s) blue, green, yellow, orange, and red is/are claimed as a feature of the mark.
The mark consists of the word ZOOBOOKS in stylized format, colored in a rainbow fashion from blue on the left to red on the right, the letter Z predominately in blue, the two letters O following the Z in green, the B in yellow, the first following O in yellow and orange, the second following O and the K in orange, and the S in red.
ZOO BOOKS