What reading level is the Ignite; Whoops! A History of Bad Days series?

Ignite; Whoops! A History of Bad Days books are at a grades 5–6 reading level (average grade level 5.9), and HootRated recommends the series for ages 9–12. There are 4 books in the series.

What order should I read the Ignite; Whoops! A History of Bad Days books?

Series numbers aren't available for most Ignite; Whoops! A History of Bad Days books, so HootRated lists them by publication date: Bad Days in Battle (2017); Bad Days in Exploration (2017); Bad Days in Science and Invention (2017); Bad Days in Sports (2017).

What age is the Ignite; Whoops! A History of Bad Days series appropriate for?

HootRated recommends Ignite; Whoops! A History of Bad Days for ages 9–12. Content is gentle to mild (HootRated intensity 1–2 out of 5). Intensity stays consistent across the series, so a reader who can handle the first book can generally handle the rest.

Ignite; Whoops! A History of Bad Days Books in Order

Ignite; Whoops! A History of Bad Days is a 4-book series by Don Nardo for ages 9–12, at a grades 5–6 reading level, with gentle to mild content (HootRated intensity 1–2 out of 5).

Books: 4; By publication date
Reading level: Grades 5–6; Average grade level 5.9
Recommended ages: Ages 9–12; From HootRated age ratings
Content intensity: Gentle to mild; HootRated 1–2 out of 5 · avg 1.3

Ignite; Whoops! A History of Bad Days Reading Order

Series numbers aren't available for most Ignite; Whoops! A History of Bad Days books, so they're listed by publication date (oldest first).

#	Title	Reading Level	Ages	Content
1	Bad Days in Battle 2017	Level 5-6	9-12	Mild
2	Bad Days in Exploration 2017 · Kathryn Hulick	Level 5-6	9-12	Gentle
3	Bad Days in Science and Invention 2017 · Michael Regan	Level 6-7	9-12	Gentle
4	Bad Days in Sports 2017 · Jon Mathaler	Level 5-6	9-12	Gentle

Content Intensity Across the Series

Consistent

Content stays at a steady intensity level throughout the series.

First book Latest book

Series books grow with readers — but that's also the trap. Most series start at one reading level and one content intensity and drift upward over the course of the run. Ignite; Whoops! A History of Bad Days (4 books by Don Nardo) lands at a grades 5–6 reading level, with average content intensity 1.3/5. Intensity stays consistent across the series, so a reader who can handle the first book can generally handle the rest.

The reading-order table above lists every book with per-volume reading level, age and intensity ratings so you can spot any escalation before it catches your reader off guard. For a deeper dive into how we score text difficulty vs. emotional weight separately — and why series readers especially benefit from that split — see our methodology page.

All Ignite; Whoops! A History of Bad Days Books

Bad Days in Battle

Don Nardo

Bad Days in Battle

Don Nardo

Level 5-6 Mild

Bad Days in Exploration

Kathryn Hulick

Bad Days in Exploration

Kathryn Hulick

Level 5-6 Gentle

Bad Days in Science and Invention

Michael Regan

Bad Days in Science and Invention

Michael Regan

Level 6-7 Gentle

Bad Days in Sports

Jon Mathaler

Bad Days in Sports

Jon Mathaler

Level 5-6 Gentle

Series Like Ignite; Whoops! A History of Bad Days: What to Read Next

Similar reading level, content intensity and themes.

Questions about the Ignite; Whoops! A History of Bad Days series

What reading level is the Ignite; Whoops! A History of Bad Days series?: Ignite; Whoops! A History of Bad Days books are at a grades 5–6 reading level (average grade level 5.9), and HootRated recommends the series for ages 9–12. There are 4 books in the series.
What order should I read the Ignite; Whoops! A History of Bad Days books?: Series numbers aren't available for most Ignite; Whoops! A History of Bad Days books, so HootRated lists them by publication date: Bad Days in Battle (2017); Bad Days in Exploration (2017); Bad Days in Science and Invention (2017); Bad Days in Sports (2017).
What age is the Ignite; Whoops! A History of Bad Days series appropriate for?: HootRated recommends Ignite; Whoops! A History of Bad Days for ages 9–12. Content is gentle to mild (HootRated intensity 1–2 out of 5). Intensity stays consistent across the series, so a reader who can handle the first book can generally handle the rest.