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Definition of by the book
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From the Editors at Merriam-Webster
7 Shakespearean Insults to Make Life...
7 Shakespearean Insults to Make Life More Interesting
One for each day of the week
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“By the book.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/by%20the%20book. Accessed 4 Aug. 2020.
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