A few interesting things that Stuart Gibbs has done:

Worked at a zoo

Researched capybaras (the world's largest rodents)

Climbed Mount Kilimanjaro

Faced down a charging elephant

Ice-climbed a glacier in Patagonia

Visited the cockpit of the Space Shuttle Atlantis

Helped rescue sixteen children from drowning off the coast of Israel

Written a few movies that actually got made (See Spot Run; Repli-Kate; Showdown)

Worked on a few animated movies (Anastasia; Open Season 3; Mickey, Donald, Goofy: The Three Musketeers)

He is currently at work on some more books. The third book in the Musketeers series and a sequel to Spy School will both be out in spring 2013. And the sequel to "Belly Up" will be out in 2014.