Frankel Set for Animated Septimus Heap: Magyk

MARLEY & ME director David Frankel will helm Warner Bros.' animated fantasy film SEPTIMUS HEAP: MAGYK, per VARIETY.

Rob Lieber is producing with Karen Rosenfelt via her Sunswept Ent. banner.

WB has had the rights to the HarperCollins-published book series by Angie Sage for two years. The plot revolves around two babies switched at birth, a boy who is the seventh son of a seventh son, and a girl destined to be a princess.

Sage is also exec producing. The first book was published in 2005 with three others released since. The fifth, SYREN, is due out in September.