| title | creator | language | description | tableOfContents | contributor | subject | created |
| Bart Ridgeley
A Story of Northern Ohio | Riddle, A. G. | en | | | | | 2004-05-01 |
| The Riddle of the Spinning Wheel | | en | | | | | 2010-07-28 |
| The Riddle of the Frozen Flame | | en | | | De Maris, Walter [Illustrator] | Detective and mystery stories; Police -- Great Britain -- Fiction | 2005-11-29 |
| The Unsolved Riddle of Social Justice | Leacock, Stephen, 1869-1944 | en | | | | Social problems; Socialism; Economics | 2007-09-17 |
| The Riddle of the Night | Hanshew, Thomas W., 1857-1914 | en | | | | | 2010-07-27 |
| The Riddle Of The Rocks
1895 | Murfree, Mary Noailles, 1850-1922 | en | | | Frost, A. B. (Arthur Burdett), 1851-1928 [Illustrator] | | 2007-11-26 |
| The Riddle of the Sands | Childers, Erskine, 1870-1922 | en | | | | Spy stories; Sailing -- Fiction; Great Britain -- History -- Invasions -- Fiction; Frisian Islands -- Fiction; Secret service -- Fiction; Alternative histories (Fiction); Adventure stories; Sea stories | 2000-10-01 |
| The Green Fairy Book | | en | | The Blue Bird -- The Half-Chick -- The Story of Caliph Stork -- The Enchanted Watch -- Rosanella -- Sylvain and Jocosa -- Fairy Gifts -- Prince Narcissus and the Princess Potentilla -- Prince Featherhead and the Princess Celandine -- The Three Little Pigs -- Heart of Ice -- The Enchanted Ring -- The Snuff-box -- The Golden Blackbird -- The Little Soldier -- The Magic Swan -- The Dirty Shepherdess -- The Enchanted Snake -- The Biter Bit -- King Kojata -- Prince Fickle and Fair Helena -- Puddocky -- The Story of Hok Lee and the Dwarfs -- The Story of the Three Bears -- Prince Vivien and the Princess Placida -- Little One-eye, Little Two-eyes, and Little Three-eyes -- Jorinde and Joringel -- Allerleirauh; or, the Many-furred Creature -- The Twelve Huntsmen -- Spindle, Shuttle, and Needle -- The Crystal Coffin -- The Three Snake-leaves -- The Riddle -- Jack my Hedgehog -- The Golden Lads -- The White Snake -- The Story of a Clever Tailor -- The Golden Mermaid -- The War of the Wolf and the Fox -- The Story of the Fisherman and his Wife -- The Three Musicians -- The Three Dogs. | Lang, Andrew, 1844-1912 [Editor] | | 2005-01-01 |