Tina Holdcroft

• Scienceworks
• Hidden Depths
• Scienceworks
• Spy, Spy Again: True Tales of Failed Espionage
• Aztec
• Crusades Kids at the Crossroads
• Expériences scientifiques du Centre des sciences de l'Ontario
• Hidden treasure
• Hidden treasure
• Hidden treasure
• Hidden Treasures
• Journeys in Reading : Level Four