Here is some general information about the Assimil method and what you can expect from a course like "French With Ease":
Assimil is the best foundation method. Think of the PDF as the blueprint for a house. It provides the structure. But you still need to paint the walls (speak with natives) and install the windows (watch French YouTube). Assimil French With Ease.pdf
You continue with new lessons while simultaneously "looping back" to Lesson 1 to translate the English (or your base language) text back into French. learntolanguage.com Tips for Using the PDF Effectively Here is some general information about the Assimil
That being said, Assimil is a well-known language learning method that focuses on intuitive and immersive learning. The course "French With Ease" is likely designed to help learners acquire French language skills through a gradual and natural process. But you still need to paint the walls
Assimil teaches grammar inductively. You will see a grammar rule used in a dialogue long before you read the technical explanation. Trust the process. If a grammar note confuses you, skip it. It will likely become clear in a later lesson through context.
The Assimil method is based on the idea that learning a language is similar to acquiring a child's native language. The approach focuses on: