What reading level is the Elements (Marshall Cavendish) series?

The Elements (Marshall Cavendish) series by Susan Watt is at a Grades 7.1–9.1 reading level (average Grade 7.7). Intended for Middle Grades (Ages 9–12). There are 16 books in the series.

What order should I read the Elements (Marshall Cavendish) books?

The Elements (Marshall Cavendish) series has 16 books in order: 1. Arsenic (The Elements), 2. Boron, 3. Bromine (Elements), 4. Cadmium (Elements), 5. Chlorine (Elements), and 11 more.

What age is the Elements (Marshall Cavendish) series appropriate for?

The Elements (Marshall Cavendish) series is recommended for Middle Grades (Ages 9–12). The average content intensity is 1/5.

Elements (Marshall Cavendish) Books in Order

16 books by Susan Watt. Reading level: Grades 7.1–9.1. Middle Grades (Ages 9–12).

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. Elements (Marshall Cavendish) (16 books by Susan Watt) lands at reading level Grades 7.1–9.1, with average content intensity 1/5. Intensity stays consistent across the series — a kid who can handle the first book can generally handle the rest.

The reading-order table below lists every book with per-volume reading level and intensity badges 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.

Books

Grades 7.1–9.1

Reading Level

1/5

Avg. Intensity

Middle Grades

Content Intensity Across the Series

Consistent

Content stays at a steady intensity level throughout the series.

First book Latest book

Elements (Marshall Cavendish) Reading Order

#	Title	Reading Level	Content
1	Arsenic (The Elements) Chris Cooper	Level 7-8	Gentle
2	Boron Richard Beatty	Level 7-8	Gentle
3	Bromine (Elements) Krista West	Level 7-8	Gentle
4	Cadmium (Elements) Allan Cobb	Level 7-8	Gentle
5	Chlorine (Elements) Susan Watt	Level 9-10	Gentle
6	Chromium Nathan Lepora	Level 7-8	Gentle
7	Cobalt Susan Watt	Level 8-9	Gentle
8	Iodine Leon Gray	Level 8	Gentle
9	Lead Susan Watt	Level 8-9	Gentle
10	Mercury Susan Watt	Level 7-8	Gentle
11	Molybdenum Nathan Lepora	Level 7-8	Gentle
12	Radioactive elements Tom Jackson	Level 7-8	Gentle
13	Sodium (Elements) Anne O'Daly	Level 8	Gentle
14	The Lanthanides (Elements) Richard Beatty	Level 7-8	Gentle
15	Tin (Elements) Leon Gray	Level 7-8	Gentle
16	Tungsten (Elements) Kerry Turrell	Level 8	Gentle

Level 8 Gentle

Questions about the Elements (Marshall Cavendish) series

What reading level is the Elements (Marshall Cavendish) series?: The Elements (Marshall Cavendish) series by Susan Watt is at a Grades 7.1–9.1 reading level (average Grade 7.7). Intended for Middle Grades (Ages 9–12). There are 16 books in the series.
What order should I read the Elements (Marshall Cavendish) books?: The reading-order table above lists all 16 books with per-volume reading level and intensity ratings. Start with book 1 and read in publication order unless the table indicates a different recommended order for newer readers.
What age is the Elements (Marshall Cavendish) series appropriate for?: The Elements (Marshall Cavendish) series is recommended for Middle Grades (Ages 9–12). The average content intensity is 1/5. Check the intensity trajectory above to see whether content gets heavier across the series — if it does, sensitive readers may want to stop earlier in the run.