- Harry Potter
- Percy Jackson and the series that follow on;
- Heroes of Olympus
- Trials of Apollo
- Kane Chronicles and Magnus Chase and the Gods of Asgard aren't independent, but their interaction with the rest of the Percy Jackson universe is fairly minor.
- Secrets of the Immortal Nicholas Flammel
- The Mither Mages Series
- Trilogy starts with The Lost Gate
- Stonefather is set in the same universe, but is independent of the trilogy.
- Ranger's Apprentice though the final book Royal Ranger didn't add anything in my opinion.
- The Black Magician Trilogy
- Though I prefer the sequel trilogy The Traitor Spy
- Inheritence Cycle
- Ender's Game
- Ender's Shadow is a parallel series
- Fahrenheit 451
- The Worthing Saga
- Lovelock sadly the rest of the Mayflower trilogy wasn't released due to the death of a co-author.
- Animal Farm
- Dirk Gentley's Holistic Detective Agency
- The plot is different to the tv show.
- State of Fear
- The Saga of Seven Suns
- The Day of the Triffids
- Star Wars: Catalyst, a Rogue One Novel.
- Star Wars: Aftermath
- The Land That Time Forgot
- Altered Starscape
- Homecoming Saga
- Brave New World