Sled dog It has been billed as the "World Series of mushing events" and "The Last Great Race on Earth". The first Arctic explorers were men with sled dogs. Due to the success of using sled dogs in the Arctic, it was thought they would be helpful in the Antarctic exploration as well, and many explorers made attempts to use them. Sled dogs were used until 1992, when they were banned from Antarctica by the Protocol on Environmental Protection to the Antarctic Treaty. Carsten Borchgrevink used sled dogs in Antarctica in 1898, but it was much colder than expected at Cape Adare.
I Used to Be a Fish is the author's first book. The idea of the book came to him on a different project, “I was thinking about mammals and reptiles and eggs, when I got to frogs. I started to wonder how a frog who used to be a tadpole would describe that experience, and a title for a different story just popped into my head.” I Used to Be a Fish I Used to be a Fish is a book written by Tom Sullivan for ages 4–8. A boy imagines his pet fish tells him the story of evolution. The 48-page book is drawn in