# the disgusting things that he did

This usually refers to worshiping false gods, which Yahweh hated.

# what was found against him

"what people found against him" 

# behold, they are written

"someone has written them in the book" 

# the book of the kings of Judah and Israel

This is a book that no longer exists. See 2 Chronicles 35:27.

# became king in his place

"became king instead of Jehoiakim"