My all time favorite book series are:
Seven Realms series, 
Shattered Realms series and 
the Heir Chronicles by Cinda Williams Chima. 
Also the Winners Series by Marie Rutkoski! 

These series too: 

Ruby Red
Tigers Curse
Narnia 
Hush Hush
Lunar chronicles 
The 100 (the books!) 
The Land of Stories
Throne of Glass 
The Queens Rising
A Court of Thorns and Roses
Wintersong
School for Good and Evil
The Selection 
Even the Darkest Stars 
Pride and Popularity 
Burning Glass 
The Familiars
The Jane Austen Diaries 
Serpent and Dove 
Ember in the Ashes 
Mistborn 
Twilight 
The Cruel Prince 
Court of Swans 
Six of Crows 
The Thief 
Crescent City 
The Witcher
Caraval 
Shatter me 

Check them out!

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