How much Google eBooks Pays
The amount you earn depends on how many books are being sold trough clicks with your affiliate id within a month:
If the amount of sales per month is between
0 and $299 the commission is 6.00 percent ,
$300 and $999 the commission is 7.00 percent,
$1000 and $4999 the commission is 8.00 percent,
$5000 and $9,999 the commission is 9.00 percent.
If the amount of sales per month is more than $10,000 the commission is 10.00 percent.
These are the standard rates, in certain cases special commission terms apply which can only be requested from your program manager. The above information can be found next to Earn? following the More Details link in Advertisers, Google eBooks.