Lonergan provides a detailed analysis of each of his plays and films, their original staging, critical reception, and the connections within and between the Leenane Trilogy, the Aran Islands plays and more recent work. It includes interviews with directors, designers and actors associated with his work and material from Druid Theatre Company, the RSC and the National Theatre relating to the original productions. It offers four critical essays on key features of McDonagh's work by leading international scholars and a series of further resources including a chronology, glossary, notes on McDonagh's use of language and a list of further reading.