What reading level is the Mi biblioteca de ciencias 4-5; My Science Library, 4-5 series?

The Mi biblioteca de ciencias 4-5; My Science Library, 4-5 series by Julie K. Lundgren is at a Grades 5–7.6 reading level (average Grade 6.3). Intended for Middle Grades (Ages 9–12). There are 4 books in the series.

What order should I read the Mi biblioteca de ciencias 4-5; My Science Library, 4-5 books?

The Mi biblioteca de ciencias 4-5; My Science Library, 4-5 series has 4 books in order: 1. Cómo Los Humanos Dependen de la Tierra (How Do Humans Depend on Earth), 2. Lo que comemos y el sistema digestivo, 3. Me parezco a mi madre, 4. Plantas Como Alimentos, Combustibles y Medicinas.

Mi biblioteca de ciencias 4-5; My Science Library, 4-5 Books in Order

4 books by Julie K. Lundgren. Reading level: Grades 5–7.6. 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. Mi biblioteca de ciencias 4-5; My Science Library, 4-5 (4 books by Julie K. Lundgren) lands at reading level Grades 5–7.6, 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 5–7.6

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

Mi biblioteca de ciencias 4-5; My Science Library, 4-5 Reading Order

#	Title	Reading Level	Content
1	Cómo Los Humanos Dependen de la Tierra (How Do Humans Depend on Earth) Julie K. Lundgren	Level 7-8	Gentle
2	Lo que comemos y el sistema digestivo Julie Lundgren	Level 5-6	Gentle
3	Me parezco a mi madre Julie Lundgren	Level 5	Gentle
4	Plantas Como Alimentos, Combustibles y Medicinas Julie K. Lundgren	Level 7-8	Gentle

Level 7-8

Questions about the Mi biblioteca de ciencias 4-5; My Science Library, 4-5 series

What reading level is the Mi biblioteca de ciencias 4-5; My Science Library, 4-5 series?: The Mi biblioteca de ciencias 4-5; My Science Library, 4-5 series by Julie K. Lundgren is at a Grades 5–7.6 reading level (average Grade 6.3). Intended for Middle Grades (Ages 9–12). There are 4 books in the series.
What order should I read the Mi biblioteca de ciencias 4-5; My Science Library, 4-5 books?: The reading-order table above lists all 4 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 Mi biblioteca de ciencias 4-5; My Science Library, 4-5 series appropriate for?: The Mi biblioteca de ciencias 4-5; My Science Library, 4-5 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.