Sienna Mercer Books in Order
Sienna Mercer has written 22 books, published between 2007 and 2015. The first book is Switched (2007) and the newest is Spooktacular! (2015). Publication order is the reading order below. 18 of the 22 books listed here are in the My Sister the Vampire series, which has its own page: My Sister the Vampire books in order.
- Books
- 22
- Published
- 2007–2015
- Pages on record
- 2,222 in 10 of 22 books
Sienna Mercer is the author of two children's supernatural series, My Sister the Vampire and My Brother the Werewolf. The 22 catalogued books were published from 2007 to 2015. My Sister the Vampire features twins named Olivia and Ivy, and subjects list vampires, schools and sisters. Switched, Fangtastic! and Re-Vamped! appeared in 2007. Spooktacular! (2015) is the last Mercer title.
How many Sienna Mercer books are there?
Sienna Mercer has 22 books, released between 2007 and 2015. They include 2 separate series.
Sienna Mercer Books in Publication Order
The table lists all 22 Sienna Mercer books in the order they were published, with the release year, the page count where one is on record, and how many independent book listings confirm each title. Catalogue data as of September 2026.
- 12007–1/4
- 22007–1/4
- 32007–1/4
- 42008–1/4
- 520112441/4
- 62011–1/4
- 720112361/4
- 820112361/4
- 920112081/4
- 102011–1/4
- 1120122131/4
- 1220122141/4
- 132012–1/4
- 1420122001/4
- 152013–1/4
- 1620132271/4
- 172013–1/4
- 182014–1/4
- 192014–1/4
- 2020142281/4
- 212014–1/4
- 2220152161/4
Sienna Mercer series in order
The series linked below has its own reading-order page.
- My Sister the Vampire books in order 18 books
Sienna Mercer books grouped by series
Each title below is a row in the publication-order table above. None of these groups has a reading-order page of its own on this site.
My Brother the Werewolf in order
4 books- 1. Cry Wolf
- 2. Puppy Love!
- 3. Howl-oween!
- 4. Tail Spin
Do you have to read Sienna Mercer books in order?
You only need to read Sienna Mercer books in order within each series: the books listed here span 2 separate series, and each series has its own publication order.
Where to start with Sienna Mercer
Start with Switched (2007), the first My Sister the Vampire book. It is also the earliest catalogued title.
What is the newest Sienna Mercer book?
Spooktacular! (2015) is the newest Sienna Mercer book released so far.
Is there a new Sienna Mercer book coming?
No next Sienna Mercer book is announced in the catalogue, which is a gap in the listings it merges rather than a sign that the run has ended.
Sienna Mercer at a glance
- No recent titles
- The newest Sienna Mercer title on record dates from 2015, 11 years ago. No later title is catalogued.
- Release pace
- Sienna Mercer books have appeared more than one a year on average.
- Length
- 2,222 pages across the 10 of 22 books with a recorded length, a median of 222 pages each.
- Busiest decade
- Most Sienna Mercer books, 18 of 22, were published in the 2010s.
What the Sienna Mercer books are about
20 of the 22 Sienna Mercer books carry subject tags in Open Library's catalogue. The subjects below are the ones that recur across them, most frequent first: children's fiction is tagged on 18 of 20. The subjects are cataloguers’ headings, not a plot summary.
- Children's fiction 18 of 20 books
- Vampires 16 of 20 books
- Twins 15 of 20 books
- Sisters 13 of 20 books
- Schools 6 of 20 books
- Brothers and sisters 4 of 20 books
- Olivia (fictitious character : falconer) 4 of 20 books
- Brothers 3 of 20 books
- Ivy (Fictitious character : Mercer) 3 of 20 books
- Werewolves 3 of 20 books
- Olivia (Fictitious character : Mercer) 2 of 20 books