IdeaWell

Project ideas from Hacker News discussions.

Chopping up books when they're physically too big

Original Article

Hacker News Discussion

📝 Discussion Summary (Click to expand)

Theme 1 – Preference for the tactile, aesthetic, and nostalgic qualities of physical books
Many commenters argue that paper books offer a sensory experience that e‑readers cannot replicate.

  • “I love nothing more than reading a book so big that I practically live in it.” – drayfield
  • “Physical books are not obsolete, you just don’t like them… For me, they are vastly superior to ebooks.” – bigstrat2003
  • “I still love hardcopy books… Seeing your whole collection physically is awesome and can be a conversation starter.” – ex-aws-dude
  • “I used to care so much about how pristine my books looked… I now annotate all my books with pencil and also write my name in them. I love seeing a history of who’s owned a given book…” – prydt

Theme 2 – Practical workarounds for large or inconvenient books (cutting, rebinding, using e‑readers, splitting)
When a physical book is unwieldy, readers describe chopping it up, rebinding, or switching to digital formats for comfort.

  • “I chop my books and read them on my reMarkable tablet. It really doesn’t get any better.” – davisr
  • “I split a Spanish‑English dictionary in half so I could carry around just the English to Spanish part…” – goda90
  • “I would never do this normally, but when I walked the Camino Primitivo the guidebook contained other routes so was more than twice as big as it needed to. Weight matters so I tore out the bit I needed.” – globular-toast
  • “I just get rid of most books after reading… For the few that I might unexpectedly end up wanting to reread, it’s okay if I’ll have to reprocure them.” – layer8

Theme 3 – Concerns about ebook impermanence, DRM, and lack of true ownership
Several users worry that digital copies can be altered, revoked, or lose annotations, making them less reliable than paper.

  • “The problem with ebooks is that you cannot be 100% certain that you’re reading the original text… destructive book scanning for AI is such a tragedy.” – stronglikedan
  • “My grievance is mainly with the overall firmware/software that has such deep control over storage and all… Nice hardware concept, completely unacceptable software.” – ocd
  • “You own it forever… Nothing to charge… Don’t have yet another screen to stare at… Its the definitive way to collect books (similar in the sense of vinyl for music).” – ex-aws-dude (listing reasons to prefer physical)
  • “I still have many old books here, but new books rarely come up and I only keep books I find interesting or important… I barely have any new paper books.” – shevy-java (highlighting the shift to digital and its drawbacks)

🚀 Project Ideas

PocketPrint – On‑Demand Pocket‑Sized Book Service

Summary

  • Generates compact, mass‑market‑paperback‑size prints from any ebook or PDF, letting users choose font, margins, and binding to recreate the portable “pocket book” experience.
  • Core value: gives readers the convenience of a lightweight, pocket‑friendly format for titles that are only available in large trade paperbacks or hardcovers.

Details

Key Value
Target Audience Avid readers who travel, commute, or prefer small‑format books (students, professionals, casual readers)
Core Feature Upload an ebook/PDF → select page size (≈4×6 in), font, line spacing, margin, and binding (perfect‑bound or spiral) → receive a printed pocket book shipped to you
Tech Stack PDF processing (Python/pdfminer + WeasyPrint or Puppeteer), print‑on‑demand API integration (e.g., Lulu, IngramSpark), React frontend, Node.js/Express backend, PostgreSQL
Difficulty Medium
Monetization Revenue‑ready: per‑print pricing + optional subscription for bulk discounts

Notes

  • HN users lamented the disappearance of mass‑market paperbacks and praised pocket‑sized books for travel and backpack convenience (philips, jrmg).
  • Provides a legal, non‑destructive way to enjoy the same portability without chopping up existing books, addressing the desire for a “pocket book” format while preserving the original.

DualView – Two‑Page Layout & Thumb Navigation for E‑Ink Readers

Summary

  • Replaces the default reader UI on Kobo, Kindle (via jailbreak), or Android‑based e‑ink tablets with a side‑by‑side two‑page view that mimics an open book, plus gesture‑based thumb scrolling for rapid page flips.
  • Core value: restores the contextual browsing and physical‑like thumb navigation that power users miss on current e‑ink devices, especially for reference and technical texts.

Details

Key Value
Target Audience Power readers of reference material, textbooks, TTRPG manuals, and anyone who wants a book‑like two‑page experience on e‑ink (WalterBright, SmasherEpilepti, Rendello)
Core Feature Side‑by‑side rendering of two pages, configurable gutter width, tap‑or‑drag thumb zones to turn pages forward/backward, optional haptic feedback via device vibration
Tech Stack KOReader plugin (C/Lua) or custom Android e‑ink launcher (Kotlin/Java), PDF/EPUB rendering via MuPDF or Folio, touch event handling, minimal native UI
Difficulty High (requires device‑specific firmware or jailbreak)
Monetization Hobby (open‑source) – can accept donations or offer a premium build with extra themes

Notes

  • WalterBright explicitly listed “Two page layout” and “Cannot stick a thumb on a page and flip forward and backward” as missing features on e‑readers.
  • DualView directly addresses these pain points, offering a familiar book‑like interaction without abandoning the benefits of e‑ink (lightweight, glare‑free).

MarginSync – Capture & Sync Handwritten Marginalia

Summary

  • Smartphone app that photographs a physical book page, runs OCR to locate the text, and lets users overlay handwritten notes (via stylus or finger) which are then saved as searchable annotations linked to the exact location in a corresponding ebook or PDF.
  • Core value: enables the tactile satisfaction of writing in the margins of a paper book while preserving the notes digitally for backup, search, and cross‑device access.

Details

Key Value
Target Audience Readers who annotate books for study, language learning, or personal reflection but dislike damaging or losing their notes (Rendello, spudlyo, davisr)
Core Feature Page capture → text alignment → free‑draw annotation layer → export/searchable annotations (JSON, Markdown) that sync via cloud (Dropbox, iCloud) or plug into KOReader/Kindle “My Clippings”
Tech Stack Mobile (React Native or Flutter), OCR (Tesseract.js or Google ML Kit), canvas drawing, backend cloud storage (Firebase or AWS S3), optional desktop companion app
Difficulty Medium
Monetization Revenue‑ready: freemium – free basic capture, premium subscription for unlimited sync, OCR accuracy boost, and export formats

Notes

  • Rendello expressed frustration about writing in books feeling like “defiling it” and wished for a way to keep marginalia without damaging the volume.
  • spudlyo noted that e‑books lack the immediacy of pencil marginalia; MarginSync bridges that gap, giving users the best of both worlds: paper feel + digital searchability.
  • The idea dovetails with the broader thread’s love for annotation (Kató Lomb method) and the desire to retain personal interaction with texts.

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