NMLP P-021899 · True-first precedence · minted 2026-07-04

B.P.R.D.: Hollow Earth

Mike Mignola, Christopher Golden et al. · Dark Horse Comics · 2002

The true first of the B.P.R.D. spin-off is Hollow Earth #1 (2002). The mini-series introduces Johann Kraus. The collected trade paperback (Hollow Earth and Other Stories) is a first-thus.

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New Mexico Literacy Project — True-first precedence NMLP P-021899 for "B.P.R.D.: Hollow Earth" by Mike Mignola, Christopher Golden et al. (https://newmexicoliteracyproject.org/id/point/p-021899, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).