The book "The 50 Best Business Ideas During the Crisis" by author Ioannis Protopapadakis is the tangible proof that crisis breeds opportunities.

The author presents the 50 business ideas that were developed and thrived during the crisis. These are startup businesses that, despite the difficult economic conditions, took the risk and with their vision, goals, strategy, and well-prepared plan, started their activities, innovated, and succeeded.

Among others, the startups presented are:
- Chillbox
- Mikel
- Nisos
- Green Cola
- Zylo
- Sun of a beach
- Quizdom
- Incrediblue
- Deliveras
- Taxibeat

The book constitutes a pioneering entrepreneurship manual which, by analyzing the history and secret of the success of the 50 businesses, will remind you that there is still hope and will inspire you to chart your own successful course in business. In fact, in the epilogue of the book, the author mentions the steps that need to be followed for the establishment of a startup business.