Dorothy-Frances Books

year of pub­li­ca­ti­onISBNauthor(s)title
2019978-0-9997911-7-2Helena A DeLucaProfessors GeoKitty and ChemCat Explore Science: Volcanoes
  ''978-0-9997911-9-6Helena Ann DeLucaProfessors GeoKitty and ChemCat Explore Science: Earthquakes