Challenge Island Ranked on Entrepreneur Magazine’s Franchise 500 for the 5th Year in a Row!

For the 5th year running, Challenge Island has been named to Entrepreneur Magazine’s Franchise 500! For half a decade, our wonderful company has been ranked among the best of the best in the vast franchise industry.

Other News Items

Announcements

Challenge Island Ranked #115 on Entrepreneur’s Fastest Growing Franchises, Featured in Full Page Spotlight in Entrepreneur Magazine’s March 2022 Issue

“Sharon Duke Estroff is growing her brand’s recognition through books. Estroff, who has previously written a parenting book as well as numerous articles for parenting and other magazines, has turned her talents to co-writing a series of children’s fiction books called Challenge Island STEAM adventures. The first book, Bridge to Sharktooth Island, published in November, […]

Announcements

Bridge to Sharktooth Island: A Challenge Island STEAM Adventure Receives Stellar Review from School Library Journal

School Library Journal Review of The Bridge to Sharktooth Island: A Challenge Island STEAM Adventure ESTROFF, Sharon Duke & Joel Ross. The Bridge to Sharktooth Island: A Challenge Island STEAM Adventure. illus. by Monica de Rivas. 128p. (Challenge Island: Bk. 1). West Margin. Nov. 2021. Tr $18.99. ISBN 9781513218618; pap. $6.99. ISBN 9781513289533. Gr 2-5–This […]