19thcentury 3512 action activities activitybooks advent adventure adventurers americanhistory amphibians animalhabitats animalrights animals aquaculture aquariums art australia autobiography basicconcepts bears beginner behaviors bigcats biography biologicalsciences biology birds boats career chapterbooks children'sbooks children'sclassics christmas classics coastalregions collegesuccess counting crafts curiosities curriculum detectivestories dinosaurs discoveries dolls dolphins earthsciences ecology ecosystems education emotions encyclopedias endangered endangeredspecies engineering english environment environmentalconservation environmentalscience essays evolution experiments familylife fantasy fiction fish fisheries fishes fishing forestry/wildlife/fisheries freshwater friendship games general generalinterests geography geology habitatsinenvironmentalscience health heroes herpetology history hobbies homeaquarium hospitality howitworks humanities humor humorousstories ichthyology imagination instruction intermediate invertebrates jungleanimals juvenilefiction juvenilenon-fiction juvenilenonfiction lakes leopards lifesciences lifesciencesgeneral lions literature magic mammals marine marineanimals marinebiology marineecology marineinvertebrates marinesciences math me mediatie-in mermaids microorganisms miscellaneous mysteries naturalterrain nature nh numbers nutrition occupations oceania oceanography oceans opposites personalmemoirs pets petsgeneral photography physical picturebooks plants play polarregions ponds primates professional projects protection puppets reader readers reference regional regionalamericanhistory reptiles ri scag55 sces66 schools science sciencefiction scl19066 scuba seas seashells self-esteem self-reliance shape sharks ships shorelines size snorkeling snt socialsciences socialthemes specialtopics sports suco11642 survivalstories swamps technology terrariums tigers toys tr trade trades transportation travel underwatercraft vt) water(oceans wb010 wb042 wb057 wb065 wb071 wb075 whales wilderness wildlife women wonders zoology zoos