Clive bought a banana box

[Bassim]

Have I made any mistakes?

Clive bought a banana box full of books, without looking though it properly, at a tabletop sale. Later, when he was checking the books carefully, he couldn't believe his luck when he saw the first edition of Harry Potter, worth thousands of pounds.

 

[teechar]

Clive bought a banana box full of books, without looking though it properly, at a tabletop sale. Later, when he was checking the books carefully, he couldn't believe his luck when he saw [STRIKE]the[/STRIKE] a first edition [STRIKE]of[/STRIKE] Harry Potter, worth thousands of pounds.

.

 

[Tdol]

Looking through

 

[Tarheel]

The word thoroughly would work better than properly for me.