Tom O’Donnell Books in Order
Tom O’Donnell has written 10 books, published between 2014 and 2026. The first book is Space Rocks! (2014) and the newest is Lucy Kline, Necromancer (2026). Publication order is the reading order below.
- Books
- 10
- Published
- 2014–2026
- Pages on record
- 2,027 in 6 of 10 books
- Reading time
- 34–51 hours
Reading time is an estimate, not a recorded figure: 2,027 pages at 300 words a page, read at 200–300 words a minute, covering the 6 of 10 titles with a page count on record.
Tom O'Donnell writes humorous children's fiction. Three series stand in the catalogue: Hamstersaurus Rex, Space Rocks and Homerooms and Hall Passes, with hamsters, schools, friendship, life on other planets and human-alien encounters among the recorded subjects. Ten books are listed from Space Rocks! (2014) to Lucy Kline, Necromancer (2026), taking in For the Love of Gelo! (2014), Hamstersaurus Rex (2016), Hamstersaurus Rex vs. Squirrel Kong (2017), Homerooms and Hall Passes (2019), Heroes Level Up (2020) and Moonsick (2025).
How many Tom O’Donnell books are there?
Tom O’Donnell has 10 books, released between 2014 and 2026. They include 3 series and 2 titles listed outside any series.
Tom O’Donnell Books in Publication Order
The table lists all 10 Tom O’Donnell 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.
- 120143241/4
- 220143511/4
- 32016–1/4
- 420172851/4
- 520182941/4
- 620183571/4
- 72019–1/4
- 820204161/4
- 9Moonsick2025 · confirmed 1/42025–1/4
- 10Lucy Kline, Necromancer2026 · confirmed 1/42026–1/4
Tom O’Donnell 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.
Hamstersaurus Rex in order
4 booksSpace Rocks in order
2 booksHomerooms and Hall Passes in order
2 booksStandalone books
2 books2 Tom O’Donnell titles here are not listed as part of any series.
Do you have to read Tom O’Donnell books in order?
You only need to read Tom O’Donnell books in order within each series: the books listed here span 3 separate series, and each series has its own publication order.
Where to start with Tom O’Donnell
Start with Space Rocks! (2014), the earliest published title.
What is the newest Tom O’Donnell book?
Lucy Kline, Necromancer (2026) is the newest Tom O’Donnell book released so far.
Is there a new Tom O’Donnell book coming?
No next Tom O’Donnell book is announced in the catalogue, which is a gap in the listings it merges rather than a sign that the run has ended.
Tom O’Donnell at a glance
- Still publishing
- Tom O’Donnell published a book as recently as 2026.
- Release pace
- Tom O’Donnell books have appeared about one a year on average.
- Length
- 2,027 pages across the 6 of 10 books with a recorded length, a median of 338 pages each.
- Busiest decade
- Most Tom O’Donnell books, 7 of 10, were published in the 2010s.
What the Tom O’Donnell books are about
8 of the 10 Tom O’Donnell books carry subject tags in Open Library's catalogue. The subjects below are the ones that recur across them, most frequent first: humor is tagged on 7 of 8. The subjects are cataloguers’ headings, not a plot summary.
- Humor 7 of 8 books
- Children's fiction 5 of 8 books
- Hamsters 4 of 8 books
- Friendship 3 of 8 books
- Adventure stories 2 of 8 books
- Fantasy 2 of 8 books
- School children 2 of 8 books
- Schools 2 of 8 books
- Science fiction 2 of 8 books