Widely regarded as the most engaging historical novels ever written, the 21 books in Patrick O'Brian's Aubrey/Maturin series have garnered millions of fans since the publication of the first volume over 50 years ago. Included here are BBC radio adaptations of the first seven thrilling stories.

Having received strict and confidential orders from high above, C.S. Forester's inimitable hero must recapture The Flame, a brig which has been taken over by a band of mutineers. Voyaging to the Bay of Seine in order to rescue the captive Lieutenant Augustin Chadwick from his disloyal crew, Horatio Hornblower must once more fight for the freedom and safety of his people and country.

Her Majesty's ship Sutherland is a humdrum ship of the line. But in command is none other than the heroic Captain Hornblower and, with his crew from the Lydia, he looks set to take on commando raids, hurricanes at sea, and Napoleons's gun batteries.

Horatio Hornblower sails South American waters and comes face to face with a mad revolutionary in a novel that ripples with risk and gripping adventure. Throughout his escapades, Forester's hero remains resourceful and courageous.

In this, the final Horatio Hornblower adventure, C.S. Forester throws his hero into one of the most challenging missions yet. Upon discovering highly confidential papers dispatched by Bonaparte, Hornblower sets off to enlighten the Admiralty about his game-changing, new findings. Troubled after having been informed of Pierre-Charles Villeneuve's escape into Spain, they welcome Horatio's news and send him off on a high-priority assignment that they believe will lead to England's victory over Napoleon.

Juan Cabrillo's first adventure with the Oregon - a state-of-the-art spy ship disguised as a nondescript lumber hauler - takes him and his crew into dangerous waters as they try to put Tibet back in the hands of the Dalai Lama by striking a deal with the Russians and the Chinese.

In the electrifying first installment of the New York Times bestselling series, Harry Hole of the Oslo Crime Squad is dispatched to Sydney to observe a murder case. As he circles closer to the killer, Harry begins to fear that no one is safe, least of all those investigating the murder.

Captain Jack Aubrey is ashore on half pay without a command—until Stephen Maturin arrives with secret orders for Aubrey to take a frigate to the Cape of Good Hope under a commodore's pennant, there to mount an expedition against two French-held islands. The difficulties of carrying out his orders are compounded by two of his own captains...

In the wake of a humbling incident aboard a canal boat in the Cotswolds, young Captain Horatio Hornblower arrives in London to take command of the Atropos, a 22-gun sloop barely large enough to require a captain. Her first assignment under Hornblower's command is as flagship for the funeral procession of Lord Nelson.

In the ninth instalment of the series, C.S. Forester transports us to the quaint village of Smallbridge. Predictably restless and eager to embark on his next adventure, Horatio Hornblower dreams of returning to the seas and commanding his next ship. Now happily married to Lady Barbara Leighton and widely celebrated for his recent successes with the navy, Hornblower has been knighted and appointed a commodore. Fortunately for Horatio, his uneventful days as village squire are soon interrupted.