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Behind the Scenes

The Library of Everything - Where Booklynx Gets Its Data

Bjarne
4 min read

One of the biggest challenges in building a book tracker is the data itself. There are millions of books in the world, with different editions, covers, and languages. I can't type them all in by hand!

The Switch to Google Books

In my early alpha versions, I used a mix of sources, including the OpenLibrary. While OpenLibrary is a fantastic open initiative, I found that for a smooth user experience, I needed more consistency.

I have now standardized on the Google Books API.

Why the switch?

  1. Better Covers – I know that seeing the correct cover art for the specific edition you own is satisfying. Google Books generally has a higher hit-rate for high-quality cover images.
  2. ISBN Matching – When you scan a barcode, you want an instant match. Google's database of ISBNs is massive and reliable.
  3. Data Consistency – It reduces "duplicate" books in the system, making it easier for you to find the popular version of a book that your friends are also reading.
Book search results in Booklynx
Search results now show high-quality covers and accurate metadata

The Challenge: "Dirty" Data

Even with a giant like Google, data isn't perfect.

  • Sometimes the page count is missing.
  • Sometimes the author is listed as "Unknown".
  • Sometimes a book is listed twice: once as "The Hobbit" and once as "The Hobbit: There and Back Again".

Real example

I once searched for a popular novel and found 12 different entries – same book, different publishers, different ISBNs, slightly different titles. Which one is "correct"?

How I handle it

I am building a "Reconciliation" system. When you search for a book, I don't just show you the raw data. I try to clean it up. If you save a book to your library, I create a clean copy of that book's data in the database.

1
You SearchEnter title or scan ISBN
2
API QueryFetch from Google Books
3
Clean & ValidateFix missing data
4
Save to LibraryStore clean copy
How book data flows through Booklynx

This means that over time, Booklynx's internal library gets better and better. The more people use the app, the cleaner our shared data becomes.

Community-powered quality

Every book you add helps improve the data for everyone else. You're not just tracking your reading – you're contributing to a shared library.

What this means for you

If you search for a book and it looks a little "off" (maybe a blurry cover or a typo in the description), you can still add it. I am working on features that will allow the community to suggest edits and improve the data for everyone.

Building the ultimate library is a team effort!


Help build the library

Join the beta and start adding books. Every book you track makes Booklynx better for everyone.

Join the Beta
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Bjarne
Building Booklynx with love for readers everywhere