- The great rhino rescue, saving the southern white rhinos, Sandra Markle
- A mother's journey, Sandra Markle ; illustrated by Alan Marks
- Follow those zebras, solving a migration mystery, Sandra Markle
- Hush up and hibernate!, by Sandra Markle ; illustrated by Howard McWilliam
- Sneaky, spinning, baby spiders, Sandra Markle
- The great shark rescue, saving the whale sharks, by Sandra Markle
- Snow school, Sandra Markle ; illustrated by Alan Marks
- The great leopard rescue, saving the Amur leopards, Sandra Markle
- What if you had animal feet?, by Sandra Markle ; illustrated by Howard McWilliam
- Growing up wild, bears, Sandra Markle
- What if you had animal teeth?, by Sandra Markle ; illustrated by Howard McWilliam
- Wolves, by Sandra Markle
- Outside and inside snakes, by Sandra Markle
- Growing up wild, penguins, Sandra Markle
- The case of the vanishing little brown bats, a scientific mystery, Sandra Markle
- Outside & inside killer bees, Sandra Markle
- Markle, Sandra, Sandra Markle's science discoveries
- Outside and inside kangaroos, by Sandra Markle
- The case of the vanishing honey bees, a scientific mystery, Sandra Markle
- The search for Olinguito, discovering a new species, Sandra Markle
- Tough, toothy baby sharks, by Sandra Markle
- Outside and inside big cats, by Sandra Markle
- The long, long journey, the godwit's amazing migration, by Sandra Markle ; illustrated by Mia Posada
- Creepy, crawly baby bugs, Sandra Markle
- What if you had animal hair?, by Sandra Markle ; illustrated by Howard McWilliam
- Markle, Sandra, Animal predators
- Great white sharks, Sandra Markle
- I wish I was a lion, by Sandra Markle
- Sharks, biggest! littlest!, Sandra Markle ; photographs by Doug Perrine
- Thirsty, thirsty elephants, Sandra Markle ; illustrated by Fabricio VandenBroeck