Promoting Ebooks with KDP Select

During the month of February, I did four free promotions with KDP Select, and I've started to get the hang of it. With the exception of If Tears Were Wishes, after the freebie all my ebooks have bounced into the top 100 Paid in their categories. As I write this, Yseult (which was free for 24 hours on Feb. 29) has the following rankings:

Amazon Best Sellers Rank: #8,468 Paid in Kindle Store (See Top 100 Paid in Kindle Store)
#48 in Kindle Store > Kindle eBooks > Fiction > Fantasy ...