Joe De Sena, John Durant
SPARTAN FIT!: 30 Days. Transform Your Mind. Transform Your Body. Commit to Grit
© 2016 by Spartan Race, Inc
© Houghton Mifflin Harcourt Publishing Company
© Качалов А.А., перевод на русский язык, 2021
© Оформление. ООО «Издательство «Эксмо», 2022