Recommended Books for Teens

The 39 Clues series - multiple authors
The Chronicles of Prydain - Lloyd Alexander 
Door Within series - Wayne Thomas Batson
Kingdom series - Chuck Black (Christian Fantasy Allegory)
Knights of Arrethtrae series - Chuck Black (Christian Fantasy Allegory)
Drums - James Boyd (Historical Fiction)
Young Samurai Series - Chris Bradford (adventure/Japanese history)
Shannara series - Terry Brooks
The 39 Steps - John Buchan
The Darkwater Saga - Patrick Carr
The Staff & the Sword series - Patrick Carr
Life With Father - Clarence Day
A Study in Scarlet - Arthur Conan Doyle (mystery)
The Michael Vey series - Richard Paul Evans (Christian)
The Tethered World Chronicles - Heather Fitzgerald
Ranger's Apprentice series - John Flanagan
Horatio Hornblower - C.S. Forester
The General - C.S. Forester
Inkheart Series - Cornelia Funke
The Odd Women - George Gissing
Binding of the Blade series - L.B. Graham (Christian)
The Faithful and the Fallen series - John Gwynne
The Peleg Chronicles - Matthew Christian Harding (Christian)
Books by GA Henty (historical fiction)
Kon-Tiki: Across the Pacific in a Raft - Thor Heyerdahl
The Prisoner of Zenda - Anthony Hope
Carry On, Mr. Bowditch - Jean Lee Latham
Seven Wonders series - Peter Lerangis
Chronicles of Narnia – C.S. Lewis
The Screwtape Letters - C.S. Lewis
The Gargoyle Code - Dwight Longenecker (Christian)
The Giver - Lois Lowry
The Unwanted series - Lisa McMann
The Dark Harvest Trilogy - Jeremiah W. Montgomery (Christian)
Squire's Tales - Gerald Morris
Five Kingdom series - Brandon Mull
Fablehaven series - Brandon Mull
Beyonder series - Brandon Mull
The Ascendance Trilogy - Jennifer Nielsen
The Scarlet Pimpernel - Baroness Orczy 
Inheritance Cycle - Christopher Paolini
Dragonkeeper Chronicles - Donita K. Paul (Christian )
Wingfeather Saga - Andrew Peterson (Christian)
Percy Jackson series - Rick Riordan
Black Bottle Man - Craig Russell
The Prince Warriors - Priscilla Shirer (Christian)
Green Ember series - S.D. Smith
​The Books of Beginning series - John Stephens
Dracula - Bram Stoker 
Wings of Fire series - Tui T. Sutherland
Lord of the Rings – J.R.R. Tolkien
The Queen's Thief - Megan Whalen Turner
Books by David Weber (sci/fi and military)
Farmer Boy - Laura Ingalls Wilder
Books by N.D. Wilson (Christian)
Beau Geste - P. C. Wren
Moth & Cobweb (5 Book Series) - John C. Wright (Christian)
The Sleeping Witness - Fiorella De Maria (Christian)
The Vanishing Woman - Fiorella De Maria (Christian)
Father Brown Series by G.K. Chesterton (Christian)
The Airman - Eoin Colfer
A School for Unusual Girls - Kathleen Baldwin

books by Gene Stratton Porter, especially Freckles, The Harvester, and Michael O'Halloran. 
They Loved to Laugh (Worth)
The Story of the Trapp Family Singers (Maria Augusta Trapp)
The Wide, Wide World (Warner)
Gifted Hands (Ben Carson)
Endurance (about Shackleton)
François Mauriac’s novel, A Woman of the Pharisees
Suzie's novel, The Paradise Project
Helena - Evelyn Waugh
Brideshead Revisited - Evelyn Waugh

Sources for Free Audiobooks:

Archive.org
Librivox
Lit2Go
Loyal books
Open Culture
Overdrive
Scribl
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