RNA Modification Enzymes, Volume 659 in the Methods in Enzymology series, highlights new advances in the field, with this new volume presenting interesting chapters on a variety of related topics, including Locating chemical modifications in RNA sequences through ribonucleases and LC-MS based analysis, Development of RNA modification mapping pipelines for high-throughput sequencing approaches, AlkAniline-Seq for high-resolution mapping RNA m7G and m3C modifications, Facile detection of RNA phospho-methylation in cells, Detection and analysis of glycosylated queuosine modifications, A comprehensive pipeline for analysis of RNA 3'-end modification, Analysis of the epitranscriptome with ion-pairing reagent free oligonucleotide mass spectrometry, and more.