H. I. Larry

Frozen Fear
Tomb of Doom
Zac Power: Blockbuster
Deep Waters
Volcanic Panic
Lunar Strike
Zac Power: Shock Music
Horror House
Zac Power: Boot Camp
Zac Power: Close Shave
Night Raid
Zac Power: 24 hours to save the world
Swamp Race
Sudden Drop
Poison Island
Thrill Ride
Undercover
Foul Play
Zac Blasts Off
Zac Power Test Drive: Zac's Shark Attack
Zac Power Test Drive: 10 Books in 1
Zac Power Fossil Fury
Sky High
Zac Power: Ultimate Mission
High Risk
Zac Power: Sky High
Zac Power Spy Recruit: Zac Strikes Out
Zac Power: Overdrive
Fossil Fury
River Rampage
Zac Power: Shockwave
Zac Power: Foul Play
Zac Power Mega Missions: 4 Books In 1
The Zac Power Collection 4
Shipwreck
Zac Power Extreme Missions: 4 Books In 1
Zac's Sticky Fix
Zac Power Spy Recruit: Zac Runs Wild
Zac Power Test Drive: Zac's Rocket Launch
Zac Power #3: Mind Games: 24 Hours to Save the World . . . and Put Out the Rubbish
Zac Power Collection #1
Zac Power Special Files #1: The Fear Files
The Zac Power Collection 2
Dark Tower
Zac Power Spy Camp: Zac Wipes Out