The book is full of insights and interesting facts. I noted that the words "buoyancy" and "buoyant" occur at several junctures, usually applied to trade. The style is such that concerted concentration is needed, and at times I have driven through pages without remembering what I read (a defect in me, not the book) and having to backtrack.
This is not a traditional history - the kings are covered but the wool trade has just as much attention. I was fortunate to know the bones of the period (1307 - 1485), and this work was a deep enhancement of said knowledge. I learned that I have not the tenacity of an academic - perhaps my job takes that aspect out of me - but wish I could retain the information imparted by a work such as "The Hollow Crown" is.