The Twilight series consists of four main books in the original saga, plus several additional companion novels and reimagined versions, bringing the total to around 7-11 books depending on what you count. The core series written by Stephenie Meyer includes Twilight (2005), New Moon (2006), Eclipse (2007), and Breaking Dawn (2008).

The Main Twilight Saga

The original four books follow Bella Swan's vampire romance story:

  • Twilight (2005) - The first book that started the phenomenon
  • New Moon (2006) - The second installment
  • Eclipse (2007) - The third book in the series
  • Breaking Dawn (2008) - The final book told from Bella's perspective, released with an initial print run of 3.7 million copies and selling over 1.3 million copies on its first day alone

Additional Twilight Books

Beyond the core saga, Meyer has published several companion works:

  • Midnight Sun (2020) - The long-awaited "fifth Twilight book" that retells the first Twilight novel from Edward's perspective
  • The Short Second Life of Bree Tanner (2010) - A novella that follows events from Eclipse from a different character's viewpoint
  • Life and Death: Twilight Reimagined (2016) - A gender-swapped reimagining of the original story

Series Success

The Twilight books have been wildly successful, selling over 160 million copies worldwide with translations into 49 different languages as of August 2020. The four main books spent over 235 weeks on the New York Times Best Seller list for Children's Series Books, consecutively setting records as the biggest-selling novels of 2008.

TLDR

There are 4 main Twilight books in the original saga, plus 3 additional companion novels (Midnight Sun , The Short Second Life of Bree Tanner , and Life and Death), making approximately 7 books total in the Twilight universe.

Information gathered from public forums or data available on the internet and portrayed here.