Complex sentence: In 2007, Wilson published "Where's My Jetpack?", followed by a sequel to "How to Survive a Robot Uprising" in 2008, called "How to Build a Robot Army".
Split into simpler sentences: In 2007, Wilson published "Where's My Jetpack?". In 2008, Wilson followed up "How to Survive a Robot Uprising" with a sequel called "How to Build a Robot Army".