Two steps forward, one step back

I wrote last month that I was intending to work on sorting out the chapter order of the second half of my latest children's book, The Disenchanted Wizard.
That was the plan, and I did it. But then along came my co-author, and her opinion of the second half of the book was that it wasn’t at all on a par with the first half. (In fact while she wasn't rude about it, she might as well have been.) I could only agree: there were weak spots, the climax was merely a repeat of an earlier episode w...