DisperityIndependent publishing

An independent publishing house

Books for curious minds
and real lives.

To understand something better. To learn something useful.
To see the world a little differently.

Welcome to Disperity. Pull up a chair, find a book, and follow an idea.

DISPERITY

A place for the next
good question.

READ · THINK · EXPLORE

On the bookshelf

Start with a question worth asking.

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Our first collection is for people making complex technology decisions. Two complementary volumes; plenty to think through.

Cover of AWS Architecture Decisions, Volume I by Ethan H. Arlen

Technology & professional education

AWS Architecture Decisions, Volume I

Architecture, Data, AI and Security

Build the reasoning behind cloud-native systems, hybrid networking, data platforms, AI applications, identity and tenant isolation. Thirteen chapters connect worked trade-offs, diagrams and 134 original questions with answer explanations.

Paperback · Kindle ebook

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Cover of AWS Architecture Decisions, Volume II by Ethan H. Arlen

Technology & professional education

AWS Architecture Decisions, Volume II

Economics, Resilience, Operations and Practice

Practice cost decisions, migration sequencing, recovery, observability and automation. Twelve chapters include integrated cases and 264 original questions, including two 75-question practice exams with explanations.

Paperback · Kindle ebook

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Explore by interest

Follow your curiosity.

Our published bookshelf begins with technology and professional education. Browse the books and ideas available today.

Technology & professional education →

The Reading Room

A little room for a big idea.

Original articles, book-related ideas and questions to take with you.

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Meet the authors

Ideas have a voice.

Ethan H. Arlen

Independent study companions for cloud architects, built around worked decisions and original questions.

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Our publishing story

A useful book stays with you.

Disperity Private Limited is an independent publisher. We’re building a home for books that reward curiosity, respect a reader’s time and offer something worth carrying into everyday life.

A little more about Disperity →