Frontiers in Computational Fluid-Structure Interaction and Flow Simulation: Research from Lead Investigators under Forty – 2018, published by Springer (https://www.springer.com/us/book/9783319964683), includes chapters contributed by Takizawa, Kuraishi, and Otoguro. The book, dedicated to Yuri Bazilevs and Kenji Takizawa in celebration of their 40th birthday, was edited by Tayfun Tezduyar, and we all thank him for promoting research conducted by young researchers.