Laghu Vakya Vritti by Sri Shankaracharya consists of eighteen verses seems to be and abridged version of Vakya Vritti. This works aim at clarifying the meanings and implications of the Mahavakyas – the great Vedic sentences dealing with the unity of the individual self and the supreme Self.
An Audio Course on Vedanta Texts- Prakarana Granthas : Laghu Vakya Vritti by Swami Tattvavidananda Saraswati.