simple past

[azz]

I read his books when I was young.

Can't this sentence have two meanings:
a. I used to read his books when I was young. (I haven't necessarily read them all, but I was in the habit of reading them.)

b. I read all of them when I was young. (I am talking about the act of reading all of his books, not about a habit).

[M56]

I read his books when I was young.

Can't this sentence have two meanings:
a. I used to read his books when I was young. (I haven't necessarily read them all, but I was in the habit of reading them.)

b. I read all of them when I was young. (I am talking about the act of reading all of his books, not about a habit).

Could be either meaning.