Here are some authors and their book series I love. These are my favorites.  

rotXinXpieces
● The Underworld Chronicles 
《mythology 》《greek》《slash》

Lisa Kleypas
● The Wallflower Series 
● The Hathaway Series 
● The Ravenels Series 
《19th century》《romance》《historical》  

Suzanne Wright
 ● The Phoenix Pack Series
 ● The Mercury Pack Series 
《shifter》《wolf》《romance》   

Alessandra Hazard
● Straight Guys Series
 《slash》《alpha male》《romance》  

Cara Wylde 
● The Alma Venus Shifter Bride Series 
《shifter》《romance》《wolf》《fox》《dragon》  

Rick Riordan  
● Percy Jackson and the Olympians 
● The Heroes of Olympus 
● The Kane Chronicles 
● Magnus Chase and the Gods of Asgard 
● The Trials of Apollo 
《mythology》《greek》《roman》《egyptian》《norse》