Forensic entomologist. Whale snot biologist. These science jobs are gross, but someone has to do them! Let readers explore these and other awesome, disgusting jobs that keep their world running smoothly through witty, conversational North American Spanish text, a stunning design, fun facts that add additional context, and critical thinking questions that encourage readers to take key concepts one step more. A table of contents, glossary with pronunciations, further resources, and an index all enhance comprehension in a beginning reader format.