This is a preorder expected to ship in April 2026.
Get a complete world view of the series including characters and places with art galore. The perfect companion for your Underground Series read!
The Underground Series Companion Book$30.00
This is a preorder expected to ship in April 2026.
Get a complete world view of the series including characters and places with art galore. The perfect companion for your Underground Series read!
| Weight | 16 oz |
|---|---|
| Dimensions | 6 × 1 × 9 in |


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