01017cam a2200181 4500 545760948 TxAuBib 000000s2007||||||||||||||||||||||||eng|u 9781602863255 1602863253 TxAuBib Running Press Kids; Illustrated edition. Secret Agent : Jack Stalker. Running Press Kids; Illustrated edition, 2007. 106 pages. Elizabeth Singer Hunt is best known as the award-winning author of the Secret Agent Jack Stalwart chapter book series for younger readers. The fourteen-book series has been named a 'must read' for boys by the British Education Secretary, serialized by BBC Radio, and featured on Virgin Atlantic Airways' international flights. lizabeth lives in California with her husband and two children, and is an advocate for the Eco-Soap Bank, a public health nonprofit working to save lives in rural Cambodia. Childrens Action.