Between the Spreadsheets
Classifying and Fixing Dirty Data
$73.45
- Paperback
216 pages
- Release Date
2 October 2025
Summary
‘Clear, concise, engaging and entertaining. Highly recommended for anyone involved with data in any capacity.’ Information Professional
Dirty data is a problem that costs businesses thousands, if not millions, every year. And with the increasing use of AI and Generative AI, it’s only getting worse. In organisations large and small across the globe you will hear talk of data quality issues. What you will rarely hear about is the consequences or best practices on how to fix it.…
Book Details
| ISBN-13: | 9781783307845 |
|---|---|
| ISBN-10: | 1783307846 |
| Author: | Susan Walsh |
| Publisher: | Facet Publishing |
| Imprint: | Facet Publishing |
| Format: | Paperback |
| Number of Pages: | 216 |
| Release Date: | 2 October 2025 |
| Weight: | 328g |
| Dimensions: | 11mm x 156mm x 234mm |

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Critics Review
The second edition of Between the Spreadsheets seamlessly expands a world in which author Susan Walsh is showing us not only the uncomfortable truth around dirty data, but also approaches and methods on how to get rid of dirty data in an effective and sustainable way. The new chapter on breaking myths around how GenAI can help with data cleaning is especially timely and enlightening, and the data horror stories are scary but also painfully reflective of data issues in today’s day and age. Susan’s writing style is wonderfully reflective of her fun and approachable personality, and I can only recommend anyone interested in creating and maintaining clean data to read this book!
– Tiankai Feng, author of Humanizing Data Strategy & Humanizing AI StrategyWith her trademark humour, Susan takes the headache out of dirty data with fresh insights, real-world stories and a toolkit you’ll enjoy using. If you want consistent, trustworthy data without falling asleep over a spreadsheet, this is the guide you’ve been waiting for. This book will leave you better equipped, more confident, and maybe even laughing along the way.
– Caroline CarruthersSusan Walsh
Susan Walsh is Founder and Managing Director of The Classification Guru, a specialist data classification, taxonomy customisation and data cleansing consultancy. With over 13 years of experience in data, Susan is a world-renowned thought leader, data expert and speaker. She has been featured in the DataIQ 100 most influential people in data as well as winner of the 2022 & 2023 DataIQ Data Champion of the Year, a finalist for The Great British Businesswoman Awards and Practitioner of the Year at the Big Data Awards. Susan has classified and cleaned data across a number of different sectors, countries and languages for over 100 clients worldwide, and created and recently launched a self-service supplier normalisation tool, Samification.
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