(Best Plays Theater Yearbook). Continuing a tradition that dates back to 1920, this beloved annual honors 10 new plays and musicals and three regional plays cited in the Harold and Mimi Steinberg New Play Awards and Citations competition. As always, The Best Plays Theater Yearbook includes a comprehensive collection of facts and figures about the year in United States theatre. The Best Plays of 2006-2007 where chosen from Broadway, Off Broadway, and Off Off Broadway productions of new plays that opened between June 1, 2006 and May 31, 2007. Essays, noted below, celebrate each one. The plays are: Blackbird , by David Harrower (essay by David Cote); The Clean House , by Sarah Ruhl (essay by Anne Marie Welsh); The Coast of Utopia , by Tom Stoppard (essay by Charles Wright); Dying City , by Christopher Shinn (essay by Charles Isherwood); Frost/Nixon , by Peter Morgan (essay by Charles McNulty); The Pain and the Itch , by Bruce Norris (essay by John Istel); Passing Strange , by Stew and Heidi Rodewald (essay by Alisa Solomon); Radio Gold , by August Wilson (essay by Christopher Rawson); The Scene , by Theresa Rebeck (essay by Chris Jones); and Spring Awakening , by Steven Sater and Duncan Sheik (essay by Michael Feingold.)