"You are about to embark on something more than a book. You are about to participate in a quest for friendship, understanding, and love, beyond language, religion, and borders..."

--from Josep's foreword

It began as an extraordinary correspondence across the Mediterranean.

Josep, a secular Catholic from Barcelona, wanted to learn about Daniella's life as an American-Israeli Orthodox Jew. Her enthusiastic response to his curiosity resulted in this collection of entertaining and enlightening letters.

With nuance, candor,...