The first French series of courses leading from A1 to C1 (or even C1+ by the claims).
+good explanations of writing and speaking activities and genres, especially in regards to the DELF/DALF
+does explain the grammar
+quite a lot of French only audio of great quality
+transcripts of all the audio
+does have the higher levels!
-the usual classroom format with tons of pictures and photos (but still does have a lot of real content)
-requires work with a more systematic grammar aside of it
-vocabulary lists for the lessons not included, only a huge all in one at the end.