americanhorrorfiction animals birds birthdays caldecotthonorbook caterpillars centipedes children'sfiction cnidaria collectionid:caldecotthonor60 diaries earthworms echinodermata fiction floods fossil gastrotricha general geometridae ghoststories gnats horror invertebrates juvenilefiction larvae lifecycles marinelife millipedes miscellaneous morphology phylogeny picturebooks readers responsibility schools shortstories sponges teachers