The fact is no one else except the Prophet (PBUH) could have received any instructions from Allah about the compilation of the Quran in book form.
मुसलमाहरु को लागी अल्लाह द्वारा रसूलहरु लाई प्रदान गरिएको सबै धार्मिक पुस्तक हरु वैध हुन्।