'How cool to be pulled out of maths class to go on Spy Boot camp! But when a top GIB spy goes missing. Zac faces the biggest test of his spy career yet. ' (Publisher's blurb)
'Another thrilling Zac Power adventure! There's a double agent working at GIB! Zac Power must go undercover to stop the theft of all of GIB's most valuable secrets and gadgets! Can Zac find the double agent before GIB is destroyed?' (Publisher's blurb)