http://www.goodreads.com/book/show/7942534-half-brother - This website is a good website to get a nice summary of the book. There are also several comments by people who read lots of books and post their opinion of the book.

http://iwasateenagebookgeek.blogspot.com/2011/01/review-half-brother-by-kenneth-oppel.html - This website gives a very detailed review of the book and could better help someone understand what the book is about and could give someone reason to read my book.

http://www.thebookbag.co.uk/reviews/index.php?title=Half_Brother_by_Kenneth_Oppel - This site reviews the book well and has some real life connections to the book as in it being based on real research done in the 70's.

http://www.guardian.co.uk/books/2011/jan/22/half-brother-kenneth-oppel-review - This website has a great summary told from the perspective other more people for a greater range of opinion.

http://www.ourhenhouse.org/2011/07/book-review-half-brother-by-kenneth-oppel/ - This website gives a great summary of the book and has many differents opinions on the book and the things that go on in the book.

http://en.wikipedia.org/wiki/Sign_language - This is a great website on the history on sign language. Sign language was the way Ben was able to communicate with zan.

http://www.npr.org/2008/05/28/90516132/the-chimp-that-learned-sign-language - This wensite is a great wensite that explains a real life experience of a chimp that learned how to communicate through sign language.

http://www.lifeprint/asl101/topics/chimpanzeeandasl.htm - This website is and interesting story and research on the american sign langauge and the chimpanzees that can learn to communicate with people using sign language.

http://www.pigeon.psy.tufts.edu/psych26/language.htm - This website shows more research and more history behind the use of sign language and chimps using it to communicate and how amazing it is that they can adapt to our languauge.

http://www.newportweb.com/thomas/ - This is a website about a specific account where a chimp learned asl which is the american sign languauge.

http://www.msnbc.msn.com/id/21569837/ns/technology_and_science-science/t/first-chimp-reported-learn-sign-language-dies/ - This website sad information about the death of the first primate to actually learn the American Sign Langauge.

http://www.signingsavvy.com/sign/CHIMPANZEE This website is a very easy video dictionary that shows different signs for different words in the American Sign Language that Zan wouldve used in my book.

http://en.wikipedia.org/wiki/Washoe_(chimpanzee) - This website shows the completely story about the first chimp to learn ASL to communicate.

http://www.cwu.edu/~cwuchci/ - This website gives you information on an institute dedicated to the study and research of chimps learning our language.

http://www.primatesworld.com/TalkWithChimps.html - This website is great for research and the study of chimpanzees. It talks a lot about the strive for chimpanzees learning the human language, which is what Ben's dad is trying to find out.