Start with high-confidence japanese literary criticism books, then narrow by subgenre or adjacent topics.
Theory of Literature and Other Critical Writings
Sōseki Natsume, Michael Bourdaghs
The Frontier Within
Kōbō Abe, Richard Calichman
The Typographic Imagination
Nathan Shockey
The Textual Townsman
Thomas Gaubatz
Flowering Tales
Takeshi Watanabe
Worlding Sei Shônagon
Valerie Henitiuk
Literature of the Lost Home
Hideo Kobayashi, Paul Anderer
Imagining Harmony
Peter Flueckiger
Robot Ghosts and Wired Dreams
Christopher Bolton, Istvan Csicsery-Ronay, Jr.
Murder Most Modern
Sari Kawana
Japanese Counterculture
Steven C. Ridgely
Writing the Love of Boys
Jeffrey Angles
Origins of Modern Japanese Literature
Kojin Karatani
A Fictional Commons
Michael K. Bourdaghs
Essays on Miyazawa Kenji and Endo Shusaku: Religious Experiences in Japan’s Literature
Kazumitsu Ito
Tale of Genji: a Reader's Guide
William J. Puette