Wind phone
Sasaki, who built the Ōtsuchi wind phone, wrote a book titled Kaze no Denwa – Daishinsai Kara Rokunen, Kaze no Denwa o Tooshite Mieru Koto (The Phone of the Wind: What I Have Seen via the Phone in the Six Years Since the Earthquake) in 2017. The book was published by Kazama Shobo.