You convinced re: Maidenpool! Your ED series is brilliant, and I appreciate the discussion of the nuts and bolts of feudalism – it all adds to the feeling of a medieval world + magic. Concerning taxation: was this a means of punishing rebel lords, e.g. post Trident or Blackfyre rebellion? And would each tax rate for each lord be determined individually? The bureaucracy required for this system would have been monumental, so I presume there is another way I have not thought of. Thanks!

Thanks! 

As for taxation, it could be used to punish taxation, but it was a bit more common to simply confiscate the property of rebels or to levy a one-time fine, rather than expect compliance with taxes in the long run. Henry VII had a lot of success using bonds instead – people who chose the wrong side in the Wars of the Roses ended up having huge liens put on their estates that the King could call in at any time, which gave him a lot of control over the nobility. 

In terms of the tax rate of lords, it would be generally fixed by tradition – whether it’s a knight’s fee or the specific terms of a feudal contract – although when the king wanted to raise new revenues, it was usually by levying a flat percentage tax because that was a lot easier to do bureaucratically.