What has the author Cris Peterson written?

Cris Peterson has written:

'Wild horses' -- subject(s): Wild horses, Juvenile literature, Horses, Mustang

'Extra cheese, please!' -- subject(s): Cheese, Juvenile literature, Dairying

'Horsepower' -- subject(s): Horses, Draft horses, Percheron horse, Juvenile literature, Clydesdale horse, Belgian draft horse

'Birchbark brigade' -- subject(s): Juvenile literature, History, Frontier and pioneer life, Indians of North America, Fur trade, Fur traders, Pioneers, Explorers, Discovery and exploration

'Seed, soil, sun' -- subject(s): Plants, Life cycles, Seeds, Soils, Germination, Juvenile literature

'Horsepower' -- subject(s): Horses, Draft horses, Percheron horse, Juvenile literature, Clydesdale horse, Belgian draft horse