HootRated mascot HootRated

Reading Essentials in Science; Global Issues (Perfection Learning) Books in Order

Reading Essentials in Science; Global Issues (Perfection Learning) is a 5-book series by Perfection Learning Corporation for ages 9–12, at a grade 7 reading level, with gentle to moderate content (HootRated intensity 1–3 out of 5).

Books
5
By publication date
Reading level
Grade 7
Average grade level 7.2
Recommended ages
Ages 9–12
From HootRated age ratings
Content intensity
Gentle to moderate
HootRated 1–3 out of 5 · avg 1.6

Reading Essentials in Science; Global Issues (Perfection Learning) Reading Order

Series numbers aren't available for most Reading Essentials in Science; Global Issues (Perfection Learning) books, so they're listed by publication date (oldest first).

# Title Reading Level Ages Content
1 Consumption and Waste
2003
Level 7-8 9-12 Gentle
2 Energy Sources
2003
Level 7 9-12 Mild
3 Habitat Destruction
2003
Level 7-8 9-12 Moderate
4 Keeping/Food/Water Safe
2003
Level 7-8 9-12 Gentle
5 Global Warming
2004 · Karen Bledsoe
Level 7 9-12 Gentle

Content Intensity Across the Series

Varies

Content intensity ranges from Gentle to Moderate 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. Reading Essentials in Science; Global Issues (Perfection Learning) (5 books by Perfection Learning Corporation) lands at a grade 7 reading level, with average content intensity 1.6/5. 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.

Similar reading level, content intensity and themes.

Questions about the Reading Essentials in Science; Global Issues (Perfection Learning) series

What reading level is the Reading Essentials in Science; Global Issues (Perfection Learning) series?
Reading Essentials in Science; Global Issues (Perfection Learning) books are at a grade 7 reading level (average grade level 7.2), and HootRated recommends the series for ages 9–12. There are 5 books in the series.
What order should I read the Reading Essentials in Science; Global Issues (Perfection Learning) books?
Series numbers aren't available for most Reading Essentials in Science; Global Issues (Perfection Learning) books, so HootRated lists them by publication date: Consumption and Waste (2003); Energy Sources (2003); Habitat Destruction (2003); Keeping/Food/Water Safe (2003); Global Warming (2004).
What age is the Reading Essentials in Science; Global Issues (Perfection Learning) series appropriate for?
HootRated recommends Reading Essentials in Science; Global Issues (Perfection Learning) for ages 9–12. Content is gentle to moderate (HootRated intensity 1–3 out of 5). Intensity varies from book to book, so check individual ratings in the list above.