Order of Book Series
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Gini Koch Books in Order

Gini Koch has written 36 books, published between 2010 and 2026. The first book is Touched by an Alien (2010) and the newest is Aliens Like Them (2026). Publication order is the reading order below. 19 of the 36 books listed here are in the Katherine "Kitty" Katt series, which has its own page: Katherine "Kitty" Katt books in order.

Books
36
Published
2010–2026
Pages on record
7,932 in 17 of 36 books
See all 36 books in order Printable Gini Koch checklist
Photo of Gini Koch, author

Gini Koch was born Jeanne Marie Gerrard in California and writes science fiction, fantasy and horror from Phoenix, Arizona. The Alien novels, known informally by their lead Katherine 'Kitty' Katt and published in the United States by DAW Books, are the best known part of the catalogue. Koch is Lead Editor at the online zine Raphael's Village and contributes as a columnist, reviewer and webcaster to Slice of SciFi and It's Comic Book Day. The listing holds 36 books from Touched by an Alien (2010) to Aliens Like Them (2026), with the Martian Alliance, New West and Necropolis Enforcement Files sequences alongside.

How many Gini Koch books are there?

Gini Koch has 36 books, released between 2010 and 2026. They include 5 series and 7 titles listed outside any series.

Gini Koch Books in Publication Order

The table lists all 36 Gini Koch 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.

  1. Cover of Touched by an Alien by Gini Koch, book 1 of the Katherine "Kitty" Katt series (2010)
  2. Cover of Alien Tango by Gini Koch, book 2 of the Katherine "Kitty" Katt series (2010)
  3. Cover of Deacon's Ark by Gini Koch, book 2 of the New West series (2011)
  4. Cover of Alien in the Family by Gini Koch, book 3 of the Katherine "Kitty" Katt series (2011)
  5. Cover of Alien Proliferation by Gini Koch, book 4 of the Katherine "Kitty" Katt series (2011)
  6. Cover of Alien Diplomacy by Gini Koch, book 5 of the Katherine "Kitty" Katt series (2012)
  7. Cover of Alien vs. Alien by Gini Koch, book 6 of the Katherine "Kitty" Katt series (2012)
  8. Cover of Alien in the House by Gini Koch, book 7 of the Katherine "Kitty" Katt series (2013)
  9. Cover of Alien Collective by Gini Koch, book 10 of the Katherine "Kitty" Katt series (2014)
  10. Cover of Universal Alien by Gini Koch, book 11 of the Katherine "Kitty" Katt series (2014)
  11. Cover of Alien Separation by Gini Koch, book 12 of the Katherine "Kitty" Katt series (2015)
  12. Cover of Alien in Chief by Gini Koch, book 13 of the Katherine "Kitty" Katt series (2015)
  13. Cover of Camp Alien by Gini Koch, book 14 of the Katherine "Kitty" Katt series (2016)
  14. Cover of Alien Nation by Gini Koch, book 15 of the Katherine "Kitty" Katt series (2016)
  15. Cover of Aliens Abroad by Gini Koch, book 17 of the Katherine "Kitty" Katt series (2018)
  16. Cover of Aliens Like Us by Gini Koch, book 18 of the Katherine "Kitty" Katt series (2019)
  1. 1
    Touched by an AlienKatherine "Kitty" Katt #12010 · 389 pages · confirmed 2/4
    2010389
    Buy at Amazon USAmazon UK
  2. 2
    Alien TangoKatherine "Kitty" Katt #22010 · confirmed 2/4
    2010–
    Buy at Amazon USAmazon UK
  3. 3
    Contingency PlanNeighborhood #12011 · confirmed 2/4
    2011–
    Buy at Amazon USAmazon UK
  4. 4
    Hotter than Hell (As: Jemma Chase)2011 · confirmed 2/4
    2011–
    Buy at Amazon USAmazon UK
  5. 5
    The Royal ScamMartian Alliance #12011 · confirmed 2/4
    2011–
    Buy at Amazon USAmazon UK
  6. 6
    When Josie Comes HomeNew West #12011 · 124 pages · confirmed 2/4
    2011124
    Buy at Amazon USAmazon UK
  7. 7
    Deacon's ArkNew West #22011 · 144 pages · confirmed 2/4
    2011144
    Buy at Amazon USAmazon UK
  8. 8
    The Disciple (As: Jemma Chase)2011 · confirmed 2/4
    2011–
    Buy at Amazon USAmazon UK
  9. 9
    Alien in the FamilyKatherine "Kitty" Katt #32011 · confirmed 2/4
    2011–
    Buy at Amazon USAmazon UK
  10. 10
    Alien ProliferationKatherine "Kitty" Katt #42011 · confirmed 2/4
    2011–
    Buy at Amazon USAmazon UK
  11. 11
    The Night BeatNecropolis Enforcement Files #12012 · 350 pages · confirmed 2/4
    2012350
    Buy at Amazon USAmazon UK
  12. 12
    Being NeighborlyNeighborhood #22012 · confirmed 2/4
    2012–
    Buy at Amazon USAmazon UK
  13. 13
    Three Card MonteMartian Alliance #22012 · confirmed 2/4
    2012–
    Buy at Amazon USAmazon UK
  14. 14
    Alexander Outland: Space Pirate (As: G.J. Koch)2012 · confirmed 2/4
    2012–
    Buy at Amazon USAmazon UK
  15. 15
    A Cup of Joe (As: Anita Ensal)2012 · confirmed 2/4
    2012–
    Buy at Amazon USAmazon UK
  16. 16
    Alien DiplomacyKatherine "Kitty" Katt #52012 · confirmed 2/4
    2012–
    Buy at Amazon USAmazon UK
  17. 17
    Alien vs. AlienKatherine "Kitty" Katt #62012 · 512 pages · confirmed 2/4
    2012512
    Buy at Amazon USAmazon UK
  18. 18
    Happy Acres Haunted Hotel for Active Seniors2013 · confirmed 2/4
    2013–
    Buy at Amazon USAmazon UK
  19. 19
    Alien in the HouseKatherine "Kitty" Katt #72013 · 544 pages · confirmed 2/4
    2013544
    Buy at Amazon USAmazon UK
  20. 20
    Alien ResearchKatherine "Kitty" Katt #82013 · 533 pages · confirmed 2/4
    2013533
    Buy at Amazon USAmazon UK
  21. 21
    Random Musings from the Funny Girl: Or How to Make the Most of Multiple Personality Disorder2014 · 374 pages · confirmed 2/4
    2014374
    Buy at Amazon USAmazon UK
  22. 22
    Alien on the RunwayKatherine "Kitty" Katt #92014 · confirmed 2/4
    2014–
    Buy at Amazon USAmazon UK
  23. 23
    Alien CollectiveKatherine "Kitty" Katt #102014 · 529 pages · confirmed 2/4
    2014529
    Buy at Amazon USAmazon UK
  24. 24
    Universal AlienKatherine "Kitty" Katt #112014 · 535 pages · confirmed 2/4
    2014535
    Buy at Amazon USAmazon UK
  25. 25
    A Study in Starletsalt.sherlock.holmes #22015 · confirmed 2/4
    2015–
    Buy at Amazon USAmazon UK
  26. 26
    A Bug's LifeMartian Alliance #32015 · confirmed 2/4
    2015–
    Buy at Amazon USAmazon UK
  27. 27
    Alien SeparationKatherine "Kitty" Katt #122015 · 534 pages · confirmed 2/4
    2015534
    Buy at Amazon USAmazon UK
  28. 28
    Alien in ChiefKatherine "Kitty" Katt #132015 · 560 pages · confirmed 2/4
    2015560
    Buy at Amazon USAmazon UK
  29. 29
    Plush Life2016 · 420 pages · confirmed 2/4
    2016420
    Buy at Amazon USAmazon UK
  30. 30
    Camp AlienKatherine "Kitty" Katt #142016 · 608 pages · confirmed 2/4
    2016608
    Buy at Amazon USAmazon UK
  31. 31
    Alien NationKatherine "Kitty" Katt #152016 · 560 pages · confirmed 2/4
    2016560
    Buy at Amazon USAmazon UK
  32. 32
    Alien EducationKatherine "Kitty" Katt #162017 · confirmed 2/4
    2017–
    Buy at Amazon USAmazon UK
  33. 33
    Aliens AbroadKatherine "Kitty" Katt #172018 · 656 pages · confirmed 2/4
    2018656
    Buy at Amazon USAmazon UK
  34. 34
    Aliens Like UsKatherine "Kitty" Katt #182019 · 560 pages · confirmed 2/4
    2019560
    Buy at Amazon USAmazon UK
  35. 36
    Aliens Like ThemKatherine "Kitty" Katt #192026 · confirmed 2/4
    2026–
    Buy at Amazon USAmazon UK

Gini Koch series in order

The series linked below has its own reading-order page.

Gini Koch 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.

Martian Alliance in order

3 books
  1. 1. The Royal Scam
  2. 2. Three Card Monte
  3. 3. A Bug's Life

Neighborhood in order

2 books
  1. 1. Contingency Plan
  2. 2. Being Neighborly

New West in order

2 books
  1. 1. When Josie Comes Home
  2. 2. Deacon's Ark

Necropolis Enforcement Files in order

1 book
  1. 1. The Night Beat

Jemma Chase Short Story

1 book

1 title published under this heading without a numbered place in a series.

alt.sherlock.holmes in order

1 book
  1. 2. A Study in Starlets

Standalone books

7 books

7 Gini Koch titles here are not listed as part of any series.

Do you have to read Gini Koch books in order?

You only need to read Gini Koch books in order within each series: the books listed here span 5 separate series, and each series has its own publication order.

Where to start with Gini Koch

Start with Touched by an Alien (2010), the first Katherine "Kitty" Katt book. It is also the earliest catalogued title.

What is the newest Gini Koch book?

Aliens Like Them (2026) is the newest Gini Koch book released so far.

Is there a new Gini Koch book coming?

No next Gini Koch book is announced in the catalogue, which is a gap in the listings it merges rather than a sign that the run has ended.

Gini Koch at a glance

Still publishing
Gini Koch published a book as recently as 2026.
Release pace
Gini Koch books have appeared more than one a year on average.
Length
7,932 pages across the 17 of 36 books with a recorded length, a median of 533 pages each.
Busiest decade
Most Gini Koch books, 34 of 36, were published in the 2010s.

What the Gini Koch books are about

12 of the 36 Gini Koch books carry subject tags in Open Library's catalogue. The subjects below are the ones that recur across them, most frequent first: extraterrestrial beings is tagged on 9 of 12. The subjects are cataloguers’ headings, not a plot summary.