The physical appearance and behavior of jellyfish are briefly overviewed in this beginner text. Although the factual information is scant (and no mention is made of the fact that jellyfish aren't fish at all), readers can garner some basic vocabulary words with the help of the glossary and sometimes-labeled clear color photos, which show different types of jellyfish. Reading list. Ind. (c) Copyright 2010. The Horn Book, Inc., a wholly owned subsidiary of Media Source, Inc. No redistribution permitted.