Free Adventure Books to Read Online
Browse 132 free public-domain Adventure books to read online or hear as AI audiobooks on Efil Books — no cost, no account.
- The Man in the Brown Suit by Agatha Christie
- Journals by Alexander Mackenzie
- The Three Musketeers by Alexandre Dumas
- The Vicomte de Bragelonne by Alexandre Dumas
- Twenty Years After by Alexandre Dumas
- The Defiant Agents by Andre Norton
- The Nibelungenlied by Anonymous
- The Prisoner of Zenda by Anthony Hope
- The Lost World by Arthur Conan Doyle
- The Maracot Deep by Arthur Conan Doyle
- The Splendid Spur by Arthur Quiller-Couch
- El Dorado by Baroness Orczy
- I Will Repay by Baroness Orczy
- Lord Tony’s Wife by Baroness Orczy
- Pimpernel and Rosemary by Baroness Orczy
- Sir Percy Hits Back by Baroness Orczy
- The Elusive Pimpernel by Baroness Orczy
- The First Sir Percy by Baroness Orczy
- The Laughing Cavalier by Baroness Orczy
- The League of the Scarlet Pimpernel by Baroness Orczy
- The Old Man in the Corner by Baroness Orczy
- The Scarlet Pimpernel by Baroness Orczy
- The Triumph of the Scarlet Pimpernel by Baroness Orczy
- Stand by for Mars! by Carey Rockwell
- The Cruise of the Alerte by E. F. Knight
- The Story of the Treasure Seekers by E. Nesbit
- Behind That Curtain by Earl Derr Biggers
- The Chinese Parrot by Earl Derr Biggers
- The House Without a Key by Earl Derr Biggers
- Short Fiction by Edgar Allan Poe
- The Narrative of Arthur Gordon Pym of Nantucket by Edgar Allan Poe
- Beyond Thirty by Edgar Rice Burroughs
- Jungle Tales of Tarzan by Edgar Rice Burroughs
- Tarzan and the Ant Men by Edgar Rice Burroughs
- Tarzan and the Golden Lion by Edgar Rice Burroughs
- Tarzan and the Jewels of Opar by Edgar Rice Burroughs
- Tarzan, Lord of the Jungle by Edgar Rice Burroughs
- Tarzan of the Apes by Edgar Rice Burroughs
- Tarzan the Terrible by Edgar Rice Burroughs
- Tarzan the Untamed by Edgar Rice Burroughs
- The Beasts of Tarzan by Edgar Rice Burroughs
- The Land That Time Forgot by Edgar Rice Burroughs
- The Mucker by Edgar Rice Burroughs
- The Outlaw of Torn by Edgar Rice Burroughs
- The Return of Tarzan by Edgar Rice Burroughs
- The Son of Tarzan by Edgar Rice Burroughs
- Blue Hand by Edgar Wallace
- Room 13 by Edgar Wallace
- Terror Keep by Edgar Wallace
- The Avenger by Edgar Wallace
- The Clue of the New Pin by Edgar Wallace
- The Clue of the Twisted Candle by Edgar Wallace
- The Council of Justice by Edgar Wallace
- The Door with Seven Locks by Edgar Wallace
- The Four Just Men by Edgar Wallace
- The Just Men of Cordova by Edgar Wallace
- The Law of the Four Just Men by Edgar Wallace
- The Man Who Knew by Edgar Wallace
- The Melody of Death by Edgar Wallace
- The Mind of Mr. J. G. Reeder by Edgar Wallace
- The Secret House by Edgar Wallace
- The Square Emerald by Edgar Wallace
- The Three Just Men by Edgar Wallace
- Hunting for Hidden Gold by Franklin W. Dixon
- The House on the Cliff by Franklin W. Dixon
- The Missing Chums by Franklin W. Dixon
- The Mystery of Cabin Island by Franklin W. Dixon
- The Secret of the Caves by Franklin W. Dixon
- The Secret of the Old Mill by Franklin W. Dixon
- The Shore Road Mystery by Franklin W. Dixon
- The Tower Treasure by Franklin W. Dixon
- Bulldog Drummond by H. C. McNeile
- The Blue Lagoon by H. de Vere Stacpoole
- At the Mountains of Madness by H. P. Lovecraft
- Allan Quatermain by H. Rider Haggard
- Allan Quatermain Stories by H. Rider Haggard
- Cleopatra by H. Rider Haggard
- King Solomon’s Mines by H. Rider Haggard
- Maiwa’s Revenge by H. Rider Haggard
- When the World Shook by H. Rider Haggard
- Typee by Herman Melville
- The Story of Doctor Dolittle by Hugh Lofting
- The Voyages of Doctor Dolittle by Hugh Lofting
- The Call of the Wild by Jack London
- The Sea-Wolf by Jack London
- The Son of the Wolf by Jack London
- When God Laughs by Jack London
- White Fang by Jack London
- The Last of the Mohicans by James Fenimore Cooper
- Greenmantle by John Buchan
- Huntingtower by John Buchan
- Mr. Standfast by John Buchan
- The Courts of the Morning by John Buchan
- The Thirty-Nine Steps by John Buchan
- The Three Hostages by John Buchan
- An Antarctic Mystery by Jules Verne
- Around the World in Eighty Days by Jules Verne
- Five Weeks in a Balloon by Jules Verne
- Journey to the Center of the Earth by Jules Verne
- The Child of the Cavern by Jules Verne
- The Fur Country by Jules Verne
- The Giant Raft by Jules Verne
- The Special Correspondent by Jules Verne
- The Survivors of the Chancellor by Jules Verne
- The Lone Wolf by Louis Joseph Vance
- Lorna Doone by R. D. Blackmore
- The Coral Island by R. M. Ballantyne
- Bellarion the Fortunate by Rafael Sabatini
- Captain Blood by Rafael Sabatini
- The Sea Hawk by Rafael Sabatini
- A High Wind in Jamaica by Richard Hughes
- After London by Richard Jefferies
- Catriona by Robert Louis Stevenson
- Kidnapped by Robert Louis Stevenson
- The Black Arrow by Robert Louis Stevenson
- The Master of Ballantrae by Robert Louis Stevenson
- Treasure Island by Robert Louis Stevenson
- Kim by Rudyard Kipling
- Doctor Syn by Russell Thorndike
- Seven Pillars of Wisdom by T. E. Lawrence