Parents' Guide to

Spiral: Tunnels Series, Book 5

Spiral: Tunnels Series, Book 5 Poster Image

Common Sense Media Review

Betsy Bozdech By Betsy Bozdech , based on child development research. How do we rate?

age 12+

Violent series' new twists take story in strange direction.

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The Tunnels series was originally planned to be a trilogy; now that it's expanded, it feels as if the authors are scrambling to come up with new obstacles and plot twists to keep things going. What started out as a compelling (if often grim) adventure about a mysterious underground world and the many secrets hidden in its depths has taken so many out-of-left-field turns that it's hard not to roll your eyes. That's especially true this time around; the details of the Phase feel as if they were yanked out of a completely different series with a more sci-fi bent, and new details "revealed" in Spiral seem to completely discount important character traits and actions established in the first four books.

That's not to say that Spiral isn't readable; it is, and fans of the characters and their adventures probably will want to keep plugging along to find out what comes next. But between the constant peril and violence, the plot curveballs, and the fact that there's still no clear resolution in sight to the Styx menace, Spiral isn't nearly as capable of standing on its own merits as the previous books were.

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