Moving from absorption to self-awareness

Practice : Mindfulness ------------------------------ ---------- I'm taking a concrete example to get the right help. *Reading a book ,* - Reading without being absorbed , mind keeps wondering but still able to read words - Reading with being absorbed , mind more likely continuously anchored on reading with minimal mental movements Now I want to be aware about myself while being absorbed in reading or be aware about the reader while reading Could anyone provide me a guide to proceed to that ?