amazon book indie publishing links

salesrankexpress sends search requests over to http://sre.novelrank.com/
http://www.salesrankexpress.com/
looks promising. we'll see how well it works.

http://www.novelrank.com/
see above.

http://rankforest.com/
data limited to last 30 days unless you upgrade.

TitleZ is currently free for beta testing. might charge later.
http://www.titlez.com/
looks like it has the best features, but it's not working atm and the docs are really old (2006!).

i looked at tictap.com but wasn't very impressed.

info on correlating amazon sales rank with book sales per day:
http://www.fonerbooks.com/surfing.htm

he mentions using salesrankexpress.com to track ranking.

amazon's affiliate program has some data available through their api:
https://affiliate-program.amazon.com/gp/advertising/api/detail/main.html