"The Seven Dials Mystery" by Agatha Christie is a detective novel published in 1929. When a house party guest is found dead surrounded by alarm clocks, with one mysteriously missing, it appears to be a tragic accident. But when another death follows with the cryptic words "Seven Dials," Lady Eileen "Bundle" Brent finds herself drawn into a dangerous world of secret meetings, masked conspirators, and stolen government formulas. With the help of Superintendent Battle, she must uncover which seemingly innocent guest is actually a cunning international criminal.