My next book, Trouble in the Stars, comes out soon, and I thought you might like to see the letter about it that was sent to booksellers and early readers.  Book of my heart!

Dear reader—

Boy, has it been a tough year.  A lot of my writer-friends have felt so slammed by all the upheaval in our world, finding it hard to find that well of creative joy that we tap into when we write.  I was in the same uneasy state when I started working on my next book.

Then Trouble appeared.  I’d been thinking ab...