1st American Edition with MULTIPLE "Errors"

J.K. Rowling-" Harry Potter and the Half-Blood Prince" 2005, stated 1st American edition, better yet-error copy!-ending on page 652 instead of 672.

2nd error on page 100; should say

"And when you've got your ten ' Outstanding' O.W.L.s..."

but is written as follows:

"And when you've got your eleven ' Outstanding' O.W.L.s..."Very rare.

Error on page 10, site changed to sight

Error on page 103, 10 outstandings changed to 9 outstandings

Error on page 269, “a wooden chair” was later added

Error on page 476, twenty-four, changed to twelve

Error on page 591-2, a whole paragraph was changed in later editio