By the Book clear in itself and clearly showing the truth,
13 Amatul Rahman Omar
This perfect Book that makes (the truth) perspicuously clear bears witness (to the above truth).
14 English Literal
And The Book , the clear/evident
15 Faridul Haque
By oath of the clear Qur’an.
16 Hamid S. Aziz
By the Book that makes things clear
17 Hilali & Khan
By the manifest Book (that makes things clear, i.e. this Quran).
18 Maulana Mohammad Ali
Beneficent God!
19 Mohammad Habib Shakir
I swear by the Book that makes things clear:
20 Mohammed Marmaduke William Pickthall
By the Scripture which maketh plain,
21 Muhammad Sarwar
I swear by the illustrious Book.
22 Qaribullah & Darwish
By the Clear Book
23 Safi-ur-Rahman al-Mubarakpuri
By the manifest Book.
24 Wahiduddin Khan
By the Book that makes things clear,
25 Talal Itani
By the Book that makes things clear.
26 Tafsir jalalayn
By the Book, the Qur'n, that clarifies, the one that manifests the path of guidance and what one needs of [the prescriptions of] the Law.
27 Tafseer Ibn Kathir
Ha-Mim.
By the manifest Book.
means, plain and clear in both wording and meaning, because it was revealed in the language of the Arabs, which is the most eloquent language for communication among people.
Allah says
28 English Literal
And The Book , the clear/evident
29 Almuntakhab Fi Tafsir Alquran Alkarim
And by the Book which is the spirit of truth that guides people into all truth