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My son says that this book was very informative on the subject of extreme sports. Only a small portion of the book was dedicated to dogsledding, and the rest was about other extreme sports and the people who are famous for their involvement in them.
Im not a fan of Osborne 's manner of delivering info...she has unusual organization in which multiple secondary subjects string along an entire book, yet I prefer to compartmentalize info. She left out Togo another dog hero of the 1st Iditarod delivery of lifesaving serum. Wish we coukd have read a tiny bit about the Northern Lights, but nothing. The perspective on extreme sports was uncommon so we welcomed. Grammar in the book is standard and there are no glaring flaws. This was used for a 2nd graders non fiction book report; thankfully it keep his attention, he was able to read it aloud himself for background while we worked and he earned a good grade on his report.