I don't know what type of person you are and what is your choice.
But I am listing some book names which might be help you.
1. The best book is - " Bhagavad Gita "
2. Karma-Yoga and Bhakti-Yoga by Swami Vivekananda
3. Inspired Talks by Swami Vivekananda
4. In Search of God And Other Poems by Swami Vivekananda
5. Vivekananda: The Great Spiritual Teacher by Swami Vivekananda
6. Journey to Self-Realization by Paramahansa Yogananda
7. Scientific Healing Affirmations by Paramahansa Yogananda
8. Inner Peace: How to Be Calmly Active and Actively Calm by Paramahansa.
9. The Inner Voice of Love by Henri Nouwen
10.Any book relating to "YOGA & PRANAYAM".

Nonfiction - One night @ call center, Five point someone

the ibm way by buck rogers...

A Monk who sold his ferrari, Seven Habits of highly effective people.

Fiction------"tell me your dreams" by sidney sheldon
------"a walk 2 remember" by nicholas sparks
------"angels and demons " by dan brown[also wrote da vinci code]

Jeffrey Archer -
Cat O' Nine Tales
Not a Penny More Not a Penny Less
Sons of Fortune
The Fourth Estate
Honour Among Thieves
John Grisham -
The Rainmaker
The Runaway Jury
The Streetlawyer
The Client
The Brethren
The Partner
The Firm
The Pelican Brief
The Chamber
The Testament
A Time to Kill
The Summons
The King of Torts
Skipping Christmas

Freedom at Midnight
The Great Indian Dream

Da vinci Code,Digital Fortress,Deception point,Angels and Demons-Dan brown
One night in a call centre-Chetan Bhagat
How Opal Mehta....-Kavya Vishwanathan
Love story -Erich Segal
Master of the game,Rage of Angels-Sidney sheldon
Lost world-Micheal Crighton
collection of short stories-Jeffrey Archer

SEVEN HABITS OF HIGHLY EFFECTIVE PEOPLE ..STEVEN COVEY

read books of communalism , like, das capital, read books of karl marks

rich dad poor dad