P-book – an interactive book for kids about recommendation algorithms

Name: P-book – an interactive book for kids about recommendation algorithms
Availability: InStock
Author: kordikp

by kordikp·Mar 22, 2026·2 points·2 comments

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AI Analysis

●●SolidNiche GemBig Brain

Teaches kids recommendation algorithms with adaptive navigation modes like Missions and Map.

Strengths

•Adaptive learning styles like Explorer and Creator, credible author from Recombee.
•Open-source format allows customization of features like gamification and recall.

Weaknesses

•Niche audience limits adoption, early stage needs more content and polish.
•Complex topic for kids might require adult guidance to fully understand.

Post Description

Hi HN — I’ve been building p-book, an open-source interactive book format that personalizes how a reader explores one topic.

The first p-book is for kids and teaches how recommendation systems work — including suggestions, privacy, filter bubbles, and fairness.

What I’m trying here is not only to personalize what comes next, but also how the same topic can be explored: through Missions, Browse, Read, or Map.

It’s still early, and I’d especially love feedback on three things:

- whether the navigation modes feel genuinely different, - whether the topic is understandable for kids, - where the experience feels confusing or too complex.