- "Porcupines:The Animal Answer Guide" (2000)
- "Bears:The Animal Answer Guide" (2000)
- "Owls:The Animal Answer Guide" (2001)
- "Baboons:The Animal Answer Guide" (2001)
- "Whales:The Animal Answer Guide" (2002)
- "Alligators:The Animal Answer Guide" (2002)
- "Elephants:The Animal Answer Guide" (2003)
- "Raccoons:The Animal Answer Guide" (2003)
- "Kenguruer:The Animal Answer Guide" (2004)
- "Koalas:The Animal Answer Guide" (2004)
- "Butterflies:The Animal Answer Guide" (2005)
- "Turtles:The Animal Answer Guide" (2005)
- "Honeybees:The Animal Answer Guide" (2006)
- "Lobsters:The Animal Answer Guide" (2006)
- "Woodpeckers:The Animal Answer Guide" (2007)
- "Bats:The Animal Answer Guide" (2007)
- "Eagles:The Animal Answer Guide" (2008)
- "Seals:The Animal Answer Guide" (2008)
- "Gorillas:The Animal Answer Guide" (2009)
- "Scorpions:The Animal Answer Guide" (2009)
- "Beavers:The Animal Answer Guide" (2010)
- "Centipedes:The Animal Answer Guide" (2010)
- "Frogs:The Animal Answer Guide" (2011)
- "Snails:The Animal Answer Guide" (2011)
- "Sharks:The Animal Answer Guide" (2012)
- "Salamanders:The Animal Answer Guide" (2012)
- "Armadillos:The Animal Answer Guide" (2013)
- "Squirrels:The Animal Answer Guide" (2013)
- "Spiders:The Animal Answer Guide" (2014)
- "Grasshoppers:The Animal Answer Guide" (2014)
- "Wolves:The Animal Answer Guide" (2015)
- "Manatees:The Animal Answer Guide" (2015)
- "Nebdyr:The Animal Answer Guide" (2016)
- "Jellyfish:The Animal Answer Guide" (2016)
- "Octopi:The Animal Answer Guide" (2017)
- "Komodo Dragons:The Animal Answer Guide" (2017)
- "Giraffes:The Animal Answer Guide" (2018)
- "Tigers:The Animal Answer Guide" (2018)
- "Kameleoner:The Animal Answer Guide" (2019)
- "Pangolins:The Animal Answer Guide" (2019)
- "Quokkas:The Animal Answer Guide" (2020)
- "Capybaras:The Animal Answer Guide" (2020)
- "Narwhals:The Animal Answer Guide" (2021)
- "Axolotls:The Animal Answer Guide" (2021)
- "Fennec Foxes:The Animal Answer Guide" (2022)
- "Red Pandas:The Animal Answer Guide" (2022)
Magasiner og tidsskrifter
- "National Geographic Kids"
- "Ranger Rick"
- "Høydepunkter for barn"
- "Spør"
- "Muse"
- "Cricket"
- "Edderkopp"
- "Ansikter"