based on a concept by Lucy Schultz [based on a concept by Lucy Schultz based on a novel by E.B. White series based on a concept by Jeff Kinney based on a concept by Lucy Schultz ; written by Sara Russell based on a poem by Rumi based on an episode by Erica Rothschild based on a documentary film by Michael Kantor. based on a story by Amy Wolfram based on a story by E. Nesbit