Dragonbreath:

Dragonbreath by: Ursula Vernon
Fiction: Fantasy, Humor, Graphic Novel, Children's, 148 pages
Physical Book Count: 15
Book Count: 18

Danny Dragonbreath is a real dragon (although he can't breath fire yet,)who is best friends with Wendell an iguana.  They go to a school filled with reptiles and amphibians. After getting an F on his paper on the ocean, (because snorkelbats aren't real,) he and his friend take the bus to the Sargasso Sea to visit a cousin that is a sea serpent. They then go on an adventure involving a ship wreak, giant squid, jelly fish and sharks.