Recommended books for a first course in Probability include "Probability Course" by Pishro-Nik, which is accompanied by a dedicated website for additional resources. Another suggested text is "Probability" by Morin, known for its clear explanations. Both books are well-regarded for their accessibility and comprehensive coverage of fundamental concepts. These resources are ideal for beginners looking to build a solid foundation in Probability. Utilizing these texts can enhance understanding and application of probability theory.