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That's Gross! A Look at Science; Big Buddy Books Books in Order

That's Gross! A Look at Science; Big Buddy Books is a 5-book series by Julie Murray for ages 5–8, at a grades 3–4 reading level, with gentle to intense content (HootRated intensity 1–4 out of 5).

Books
5
By publication date
Reading level
Grades 3–4
Average grade level 3.7
Recommended ages
Ages 5–8
From HootRated age ratings
Content intensity
Gentle to intense
HootRated 1–4 out of 5 · avg 2.6

That's Gross! A Look at Science; Big Buddy Books Reading Order

Series numbers aren't available for most That's Gross! A Look at Science; Big Buddy Books books, so they're listed by publication date (oldest first).

# Title Reading Level Ages Content
1 Backyard
2009
Level 3-4 5-8 Gentle
2 Home
2009
Level 3-4 5-8 Moderate
3 Hospital
2009
Level 3-4 5-8 Gentle
4 The body
2009
Level 3-4 5-8 Intense
5 Underwater
2009
Level 3-4 5-8 Intense

Content Intensity Across the Series

Varies

Content intensity ranges from Gentle to Intense across the series.

1
2
3
4
5
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. That's Gross! A Look at Science; Big Buddy Books (5 books by Julie Murray) lands at a grades 3–4 reading level, with average content intensity 2.6/5. Intensity varies from book to book, so check individual ratings in the list above.

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 That's Gross! A Look at Science; Big Buddy Books Books

Backyard

Julie Murray

Cover of Backyard

Backyard

Julie Murray

Level 3-4

Home

Julie Murray

Cover of Home

Home

Julie Murray

Level 3-4

Hospital

Julie Murray

Cover of Hospital

Hospital

Julie Murray

Level 3-4

The body

Julie Murray

Cover of The body

The body

Julie Murray

Level 3-4

Underwater

Julie Murray

Cover of Underwater

Underwater

Julie Murray

Level 3-4

Similar reading level, content intensity and themes.

Questions about the That's Gross! A Look at Science; Big Buddy Books series

What reading level is the That's Gross! A Look at Science; Big Buddy Books series?
That's Gross! A Look at Science; Big Buddy Books books are at a grades 3–4 reading level (average grade level 3.7), and HootRated recommends the series for ages 5–8. There are 5 books in the series.
What order should I read the That's Gross! A Look at Science; Big Buddy Books books?
Series numbers aren't available for most That's Gross! A Look at Science; Big Buddy Books books, so HootRated lists them by publication date: Backyard (2009); Home (2009); Hospital (2009); The body (2009); Underwater (2009).
What age is the That's Gross! A Look at Science; Big Buddy Books series appropriate for?
HootRated recommends That's Gross! A Look at Science; Big Buddy Books for ages 5–8. Content is gentle to intense (HootRated intensity 1–4 out of 5). Intensity varies from book to book, so check individual ratings in the list above.