AUTHOR=Lyytinen Heikki , Grigorenko Elena L. , Sigmundsson Hermundur TITLE=Editorial: Letter-sound knowledge, reading, reading comprehension and full literacy JOURNAL=Frontiers in Psychology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2023.1292457 DOI=10.3389/fpsyg.2023.1292457 ISSN=1664-1078