Alex knows she risks getting fired from her law firm if she takes on another unpaid case, but when she hears Rosa's desperate voice at the other end of the phone, she knows she has to help: the body of Rosa's shy teenage sister, Natalia, has been dragged, lifeless, from the Thames. Alex can't help but think of her own missing little sister. She knows how a lack of answers can eat you alive.

Kat has worked hard to become Special Adviser to the Home Secretary, and is eager to finally put the dark and tragic part of her past behind her. But when she discovers a series of cover-ups, she begins to wonder whether her seemingly perfect new boss could be involved. Then she she's shocked to discover a letter that raises worrying questions about a girl found drowned in London... Natalia.

There are complex and painful reasons for Alex and Kat not to work together, but when it becomes clear that there are powerful people involved in Natalia's death, and that other girls are at risk, Alex and Kat must overcome their differences to find answers. Will they save the girls and discover the truth? Or will the high-powered players in this game stop Alex and Kat for good?

'Fast-paced, topical, sharp and with a heart, I could see Notes on a Drowning played out on screen. Hope Anna Sharpe's cracking out the next one.' Sarah Vaughan

'A belter of a book. Shrewd, powerful, and constructed of smoke and mirrors, it's contemporary thriller writing at its breathless best. Anna Sharpe knows how to weave a tale.' Helen Fields

'A timely and hugely entertaining political thriller written with humour and sensitivity, and an important story at its heart. Anna Sharpe has created something fresh and new, and I can't wait for the next one.' Charlotte Philby

'A compelling, emotional and unputdownable thriller' Nadine Matheson

'Anna Sharpe is a masterful storyteller.' Kia Abdullah

'Breakneck plot skillfully delivered with writing to die for.' Imran Mahmood

'My kind of thriller: pacy, absorbing and smart, with great characters and brilliant dialogue on every page. I loved it!' TM Logan

'A whip-smart, taut thriller...It zips along like a high-end Netflix drama you can't help but binge.' Jane Casey

'Two women united by a painful secret take on the establishment in this tense, big-hearted, super-smart legal thriller. Anna Sharpe is one to watch.' Tammy Cohen

'Notes on a Drowning is a whip smart thriller, and I adored Alex, a clever, funny lawyer who is trying to hold together her career and failing marriage while trying to find out what really happened to her sister. Both gripping and compassionate, I really hope this is a series, and it would be perfect for TV.' Jo Callaghan

'A gripping political thriller from an exciting new voice. I can't wait to read what Anna Sharpe writes next.' Cass Green

'This Anna Sharpe is a bit good. Compelling characters, glamorous locations with a deep dive into a dark and murky world. Loved it!' Rachel Wolf

'Fast action and packed with tension. Full of twists. This is a one-sitting read.' Quentin Bates