1. The Twilight Series by Stephanie Myers 

 Twilight, Eclipse, New Moon, and Breaking Dawn

 The Abarat Saga by Clive  Barker                                                                         

Abarat, Abarat: Days of Midnight Nights of War

The Historian by Elizabeth Costova

Evernight by Claudia Gray

 

The Mortal Instruments

City of Bones, City of Ashes

 

Blue Bloods by Melissa De La Cruz

Blue Bloods, Masqurade

 

House of Night by P.C Cast

Marked, Betrayed, and Charmed

 

The Pendragon Series by D.J. McHale     

Merchant of Death, The Never War, The Reality Bug, Black Water, The River of Zadda, The Quillan Games, The Pilgrams of Rayne, and Raven Rise.

The Tree of Avalon Trilogy by T.A. Barron                 

 Child of the Dark Prophesy, Shadows on the Stars, and The Eternal Flame

 Harry Potter Series by J.K. Rowling                               

 The Sorcerors Stone, Chamber of Secrets, Prisoner of Azkaban, Goblet of Fire, Order of the Phoniex, Half-Blood Prince, and The Deathly Hollows.

The Ink Trilogy by Cornelia Funke                            

Inkheart, Inkspell, and Inkdeath

 The Inheritence Trilogy by Chistopher Paolini        

Eragon,  Eldest, and Inheritance

 The Looking Glass Wars by Frank Beddor                    

 The Looking Glass War, Seeing Redd

 The Uglies Trilogy (Well, it was supposed to be a trilogy) by Scott Westerfield                  

 Uglies, Pretties, Specials, and Extras

Tamsin by Peter Beagle

 The Artimis Fowl Saga                                         

  Artimis Fowl, The Arctic Incident, The Lost Colony, The Opal Deception, The Eternity Code, and The Time Paradox.

 From  Baghdad with Love by Jay Kopleman

 The Book Thief

 Saving Fish From Drowning by Amy Tan

 The Rainmaker by John Grisham

 The Redwall Saga by Brian Jacques                           

There are sooo many books in this saga I can't list them all. Theres like 20.

 Sabriel Series by Garth Nix                                   

 Sabriel, Lireal, and Abhorsen

 Dragonflight Series by Anne McCaffrey             

  Dragonflight, Dragonquest, and The White Dragon.

 Ella Enchanted by Gail Carson Levine

Fairest by Gail Carson Levine

 Alanna by Tamora Pierce                                      

 Alanna: The First Adventure, The Woman Who Rides Like a Man, In the Hand of the Goddess, and Lioness Rampant

 Daughters of the Moon by Lynne Ewing                

   There are 11 0r 12 in this series so I am not going to list them all.

 Sons of the Dark Series by Lynne Ewing                    

Barbarian, Escape, Outcast, and Night Sun

 Dragons Keep

 Septimus Heap Series by Angie Sage                  

   Magyk, Flyte, Physic, and Queste 

 The Princess Bride by William Golding

Tale of Despereaux by Kate Dicamillo

A Modern Faerie Tale Trilogy by Holly Black           

Tithe, Ironside, and Valient

 The Divide Series by Elizabeth Kay                            

 The Divide and Back to the Divide.

A Wrinkle in Time by Madeleine L'Engle

 Lies that my teacher told me

 The Giver by Louis Lowry

 Gathering Blue by Louis Lowry

 The Host by Stephanie Myers

 Supernaturals By Eion Colfer