M. T. Martin

• Bulldozers (Blastoff! Readers) (Mighty Machines) (Mighty Machines)
• Cranes (Blastoff! Readers) (Mighty Machines) (Mighty Machines)
• Earth Movers
• Earth Movers (Blastoff! Readers) (Mighty Machines) (Mighty Machines)
• Cranes (Blastoff! Readers: Mighty Machines)
• Giraffe
• Hippo
• Hippos
• Rhino
• Rhinos