# Book: ElasticSearch in Action

**URL:** <https://discuss.elastic.co/t/book-elasticsearch-in-action/229116>\
**Category:** Elasticsearch\
**Created:** [April 21, 2020, 6:10pm UTC](https://discuss.elastic.co/t/book-elasticsearch-in-action/229116 "2020-04-21T18:10:54Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![emarthinsen](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/emarthinsen/32/23172_2.png) [@emarthinsen](https://discuss.elastic.co/u/emarthinsen)\
**Post date:** [April 21, 2020, 6:10pm UTC](https://discuss.elastic.co/t/book-elasticsearch-in-action/229116/1 "2020-04-21T18:10:54Z")

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Is the book "ElasticSearch in Action" still relevant? It was published back in 2015, so it's a solid 5 years old - which is ages in the software world. I'm looking for a book that will get me deeper into understanding ES and what's I've read of the book makes me think it would do this. I'm just concerned that it would be out-of-date. Most other books on ES are either just as old, get bad reviews, or are published by Packt (who publishes exceptionally low-quality books). So, if anyone has another resource, I'm all ears.

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**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [April 21, 2020, 6:29pm UTC](https://discuss.elastic.co/t/book-elasticsearch-in-action/229116/2 "2020-04-21T18:29:23Z")

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Lot of APIs changed or will change in the near future but most of the book ideas are still relevant.

The book is still a very good resource for learning IMHO.

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**Author:** ![emarthinsen](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/emarthinsen/32/23172_2.png) [@emarthinsen](https://discuss.elastic.co/u/emarthinsen)\
**Post date:** [April 29, 2020, 4:43am UTC](https://discuss.elastic.co/t/book-elasticsearch-in-action/229116/3 "2020-04-29T04:43:09Z")

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Thanks @dadoonet. I ordered the book today.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [May 27, 2020, 4:43am UTC](https://discuss.elastic.co/t/book-elasticsearch-in-action/229116/4 "2020-05-27T04:43:13Z")

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