Mr. James Bobin is directing the pilot episode while Hay, Tarses, Manfredi, and Karen Sherwood are executive producing the project.
Here is the goodread's synopsis of The Mysterious Benedict Society(book one):
"Are you a gifted child looking for special opportunities?" ad attracts dozens for mind-bending tests readers may try. Only two boys and two girls succeed for a secret mission, undercover and underground into hidden tunnels. At the Learning Institute for the Very Enlightened, the only rule is - there are no rules.
Source material: deadline.com