In the mailbag this week, a letter from a young reader named Olivia who says, “I...

In the mailbag this week, a letter from a young reader named Olivia who says, “I was wondering if you could write some more books because I read them all.”
Can I tell you how much this sentence delights me, how much it acts as a spur to the flank of my writing self?
Thank you, Olivia. It’s been a week of hard work and self-doubt.
Your words arrived just when I needed them.