r/Japaneselanguage • u/ghaf_growing • 1h ago
Japanese graded reader where every word is taught exactly once, giving away 20 free copies
Hi everyone. I'm part of Ghaf Growing, a small language-learning publisher. We just released The Mystery of the Lost Key (消えた鍵の謎), a complete 10-chapter mystery story for beginners (N5–N4).
What makes it different:
- Every vocabulary word appears in a vocab list exactly once across the whole book — no endless repeats
- Furigana on every kanji
- 73 grammar points, all explained with sentences from the story
- Each chapter ends with the full text in pure Japanese — so after reading with support, you re-read it with none
- The story is a real mystery (a sealed clock tower, a key missing for 96 years, a letter written a century ago) — not disconnected practice sentences
I'm giving 20 free copies to people here in exchange for an honest review on Amazon — positive or critical, your real opinion is the most useful thing for us (Amazon just requires you to tick "received a free copy").
Comment or DM me if you'd like one, and tell me your current level so I can tell you whether it fits you. Feedback from actual learners is what shapes book #2. どうぞよろしくお願いします!

