Book details

The Secret of Sigma Seven

The Hardy Boys, 1991 by Franklin W. Dixon

3.70

on Goodreads (155)

Description

Two young adventurers, Joe and Frank, unravel a secret hidden in their father's old computer game and encounter an intergalactic mystery that leads them on a journey to space and beyond.

Age

9-12

Text complexity

intermediate

Length

149 pages

Why to read

A thrilling page-turner that combines adventure and science.
Challenges children’s problem-solving skills.
Promotes themes of courage and perseverance.
Explores friendship in challenging situations.