13 books • 4 series
12 Architects Who Changed the World (Change Makers)
12 Educators Who Changed the World (Change Makers)
The 12 Biggest Breakthroughs in Military Technology (Technology Breakthroughs II)
The 12 Biggest Breakthroughs in Video Technology (Technology Breakthroughs II)
The 12 Biggest Breakthroughs in Communication Technology (Technology Breakthroughs II)
Working in Engineering (Career Files)
Stones (Red Rhino)
Home Planet (Red Rhino)
Space Trip (Red Rhino)
Out of Gas (Red Rhino)
The Garden Troll (Red Rhino)
Zuze and the Star (Red Rhino)
Sky Watchers (Red Rhino)