The title is taken from a book for ages 8-12 published
on Shakespeare's birthday, April 23, 2013.

Also from that date, a note for older readers—

IMAGE- Geometry of the Six-Set, Steven H. Cullinane, April 23, 2013

… Half a dozen of the other —

For further context, see all  posts for the cruelest month of this past year.

* Secrets :  A sometimes dangerous word.