U.S. federal trademark · Serial No. 75915258
series of children's books, series of fiction books, series of educational books in the field of science, children's activity books, coloring books, comic strips, comic magazines, greeting cards, book covers, wrapping paper, art etchings, printed awards, animation cels, and playing cards
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.