- „Stachelschweine: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)
- „Kängurus: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)
- „Frösche: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)
- „Eichhörnchen: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)
- „Platypuses: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)
- „Chameleons: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)
- „Rote Pandas:The Animal Answer Guide“ (2022)
Magazine und Zeitschriften
- „National Geographic Kids“
- „Ranger Rick“
- „Highlights für Kinder“
- "Fragen"
- „Muse“
- „Cricket“
- „Spinne“
- „Gesichter“