Karen Ros­tok­er-Gru­ber is a mul­ti-award-win­ning author of many pic­ture books with hun­dreds of thou­sands of copies sold. Farmer Kobi’s Hanukkah Match was named a Nation­al Jew­ish Book Award Final­ist and award­ed the 2016 Out­stand­ing Chil­dren’s Lit­er­a­ture Award from the Church and Syn­a­gogue Library Asso­ci­a­tion. Her book Mad­die the Mitz­vah Clown was named a PJ Library book selec­tion in July of 2017 and again in July of 2022. Karen lives in Branch­burg, NJ.