"The Radio Boys with the Iceberg Patrol; Or, Making safe the ocean lanes" by Allen Chapman. Published by DigiCat. DigiCat publishes a wide range of titles that encompasses every genre. From well-known classics & literary fiction and non-fiction to forgottenâor yet undiscovered gemsâof world literature, we issue the books that need to be read. Each DigiCat edition has been meticulously edited and formatted to boost readability for all e-readers and devices. Our goal is to produce eBooks that are user-friendly and accessible to everyone in a high-quality digital format.