Answer

Some of the most prominent books in Jainism are:

• Tattvārtha Sūtra — one of the most respected and universally studied Jain texts
• Ācārāṅga Sūtra — an important early scripture, especially in Śvetāmbara tradition
• Uttarādhyayana Sūtra — a major text on conduct, ethics, and spiritual teaching
• Samayasāra — a highly revered Digambara philosophical text by Ācārya Kundakunda
• Pravachanasāra — another important philosophical work by Ācārya Kundakunda
• Niyamasāra — a classical text on vows, discipline, and inner purity
• Ratnakaraṇḍa Śrāvakācāra — a well-known guide for lay Jains
• Ṣaṭkhaṇḍāgama — one of the most important Digambara canonical works
• Kaṣāyapāhuda — an important text on passions and karmic bondage
• Daśavaikālika Sūtra — an important scripture on monastic conduct

Explanation

These books are prominent because they explain the core teachings of Jain Dharma, such as:

• Ahimsa — non-violence
• Aparigraha — non-attachment
• Satya — truthfulness
• Self-discipline and tapas — austerity
• Karma and the path to liberation

A few notes:

• Tattvārtha Sūtra is especially important because it presents the philosophy of Jainism in a systematic way.
• Samayasāra, Pravachanasāra, and Niyamasāra are deeply respected in Digambara tradition.
• Ācārāṅga Sūtra and Uttarādhyayana Sūtra are especially prominent in Śvetāmbara tradition.

Spiritual Understanding

These texts are important because they guide a seeker toward:

• purification of the soul
• reduction of karma
• right faith, right knowledge, and right conduct
• compassionate and disciplined living
• progress toward moksha

In Jain Dharma, books are not merely for study; they are meant to inspire inner transformation.

Takeaway

If you want the most essential Jain books to begin with, start with:

1. Tattvārtha Sūtra
2. Ācārāṅga Sūtra
3. Uttarādhyayana Sūtra
4. Samayasāra
5. Ratnakaraṇḍa Śrāvakācāra

If you want, I can also give you:

• a beginner-friendly reading order
• the most important books separately for Śvetāmbara and Digambara traditions