WINNER of the 2024 Davitt Award for Best Adult Novel
 
The bonds of sisterhood were unbreakable. Until him.
 
Hannah and Stef have always been there for each other. Growing up in a loving family, they’re stunned to discover their mother adopted out a child before their parents met.
 
When Alex walks into their lives, the sisters are seduced by his charm, wealth and social status. But as they rush to make up for lost time, it soon becomes apparent their new brother’s agenda is more complicated and sinister than the sisters could have imagined.
 
A novel about loyalty, secrets and the insidious effects of narcissism and gaslighting, The Half Brother asks, do we ever really know those we love the most?

Praise for The Half Brother
 
'Readers who prefer unexpected turns in the narrative will be delighted ... with a twist worthy of Liane Moriarty. The Half Brother is a tense read recommended for fans of domestic suspense.' – Books + Publishing

‘Sinister, suspenseful and tightly written, with an ending I didn't see coming.’ – Vikki Wakefield, author of After You Were Gone

‘An ominous sense of malaise simmers beneath Christine Keighery’s tale of conflicted family loyalties and sibling rivalry, the reverberations of which linger after the last page is turned.’ – Maryrose Cuskelly, author of The Cane
​
‘The Half Brother is the sort of novel readers dream of – a riveting story about people you truly care for. What makes The Half Brother so special is the fullness and believability of its characters. An impeccably paced and clever psychological thriller with a warm, beating heart.’ – Jacinta Halloran, author of Resistance