Titus Groan in particular Lord Sepulchrave's twin sisters, Cora and Clarice Groan. The sisters are not very bright and are power-hungry and resentful, believing that Countess Gertrude holds the position that they rightfully deserve. Steerpike manages to use the twins' ambition for his own ends. He promises them power and influence, and convinces them that they could achieve their goal by burning down Sepulchrave's beloved library. Steerpike prepares meticulously for the act of arson. He arranges for the burning to happen when the entire Groan family and their most important servants are inside the library for a family gathering (Steerpike intentionally failed
Brian Sibley and "Gormenghast" for Radio 4, for which he received a Sony Radio Award in 1985. He returned to Peake's writings in 2011 with "The History of Titus Groan", a cycle of six one-hour plays for BBC Radio 4's 'Classic Serial' based on "Titus Groan", "Gormenghast", "Titus Alone" and Maeve Gilmore's "Titus Awakes". Produced Jeremy Mortimer, the series began transmission on Sunday 10 July with a cast headed by David Warner, Luke Treadaway and Miranda Richardson and won the BBC Audio Drama Award 2012 for Best Adaptation. Other major radio dramatisations by Sibley include: John Bunyan's "The Pilgrim's Progress"; Tolkien's "Tales