Books to learn Russian

I have bought the "Русский Класс Средний Уровень В1" book. I study Russian Language at home myself. But I can't check my answers in its study book 'рабочая тетрадь'. Is...

What is the best books for common Russian phrases?

What is the best books for learning Russian language?

What is the best book for conversational Russian?

Hello! What grammar book with English explanations and exercise can you recommend for beginners? Thank you!