HootRated mascot HootRated

Exploration and Discovery (Mason Crest) Books in Order

Exploration and Discovery (Mason Crest) is a 3-book series by Daniel E. Harmon for ages 9–12, at a grades 7–8 reading level, with gentle content (HootRated intensity 1/5).

Books
3
By publication date
Reading level
Grades 7–8
Average grade level 7.4
Recommended ages
Ages 9–12
From HootRated age ratings
Content intensity
Gentle
HootRated 1/5

Exploration and Discovery (Mason Crest) Reading Order

Series numbers aren't available for most Exploration and Discovery (Mason Crest) books, so they're listed by publication date (oldest first).

# Title Reading Level Ages Content
1 The Exploration of the Moon
2002 · Jenna Glatzer
Level 7-8 9-12 Gentle
2 Explorers of the South Pacific
2003
Level 7 9-12 Gentle
3 The early French explorers of North America
2003
Level 7-8 9-12 Gentle

Content Intensity Across the Series

Consistent

Content stays at a steady intensity level throughout the series.

1
2
3
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. Exploration and Discovery (Mason Crest) (3 books by Daniel E. Harmon) lands at a grades 7–8 reading level, with average content intensity 1/5. 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.

Similar reading level, content intensity and themes.

Questions about the Exploration and Discovery (Mason Crest) series

What reading level is the Exploration and Discovery (Mason Crest) series?
Exploration and Discovery (Mason Crest) books are at a grades 7–8 reading level (average grade level 7.4), and HootRated recommends the series for ages 9–12. There are 3 books in the series.
What order should I read the Exploration and Discovery (Mason Crest) books?
Series numbers aren't available for most Exploration and Discovery (Mason Crest) books, so HootRated lists them by publication date: The Exploration of the Moon (2002); Explorers of the South Pacific (2003); The early French explorers of North America (2003).
What age is the Exploration and Discovery (Mason Crest) series appropriate for?
HootRated recommends Exploration and Discovery (Mason Crest) for ages 9–12. Content is gentle (HootRated intensity 1/5). Intensity stays consistent across the series, so a reader who can handle the first book can generally handle the rest.