Wa 'alaykum as salaam warahmatullahi wabarakaatuh,
Regarding Shaykh Jamaal al-Haarithee hafidhahullah, he is quite well-known to various mashaykh. He is one of the mashaykh who posts quite frequently on the Sahab.net forum. You can read his posts by clicking here
Below are some books that he has written. Most of his books have introduction of his Shaykh Saalih al-Fawzaan hafidhahullah. There's one with introduction by Shaykh Ibn Baaz rahimahullah and another with introduction by Shaykh Ubayd al-Jabiri hafidhahullah.
1. Sharru Qutlaa tahta Adeem as-Samaa [The Worst of those who are killed below the Surface of the Sky ŭ The Khawaarij] Features: Introduction by Shaikh Saalih Al-Fawzaan
2. Lamm ad-Durr-ul-Manthoor min al-Qawl-il-Maŭthoor [A Collection of Reported Narrations on Issues of Methodology] Features: Introduction by Shaikh Saalih Al-Fawzaan
3. Ar-Radd-ur-Rayyaan ŭalaal-Qarnee wal-Hassaan [A Refutation of Aa'id Al-Qarnee and Muhammad Hassaan]
4. Al-Qawl-us-Sadeed fee Fadl-it-Tawheed wal-Istighfaar wad-Duŭaa [The Virtue of Tawheed, Asking Allaah for Forgiveness and Supplicating] Features: Foreword by Shaikh Saalih Al-Fawzaan
5. Awjah-ush-Shabah bainal-Yahood wash-Sheeŭah [The Areas of Similarity between the Jews and the Shiites]
6. Lamm ad-Durr-ul-Manthoor fil-ŭItiqaad was-Sunnah [A Collection of Reported Narrations on Creed and Sunnah] Features: Introduction by Shaikh Saalih Al-Fawzaan
7. Al-Fataawaa-ul-Muhimmah fee Tabseer-il-Ummah [Important Verdicts to Enlighten the Ummah] Features: Introduction by Shaikh ŭUbayd bin ŭAbdillaah Al-Jaabiree
8. Aqwaal-ul-Aŭimmat-ul-Abraar fil-Hukmi ŭalas-Saharat-il-Ashraar [Statements of the Imaams regarding the Ruling on Sorcerers] Features: Introduction by Shaikh ŭAbdul-ŭAzeez bin Baaz
9. Al-Mafhoom-us-Saheeh li-Hubb-il-Watan fil-Islaam [The Correct Understanding of Love for One's Country]
10. Surat-ul-ŭAsr - ŭAqeedah wa Ahkaam wa Tawjeehaat [Surat-ul-'Asr in Terms of Beliefs, Rulings and Guidelines]
11. Al-Isaabah fee ŭUluwwi Shaŭn-is-Sahaabah [The High Status of the Companions]
12. Naseehatun lil-ŭAroosayn [Advice to the Newlywed Couple]
As introduction to the book "Al-Ajwibat-ul-Mufeedah 'an As'ilat-il-Manaahij al-Jadeedah" Shaykh Salih al-Fawzaan mentioned, I permit Shaikh Jamaal bin Furayhaan Al-Haarithee to republish the book 'Beneficial Answers to Questions on Innovated Methodologies', which he compiled from my responses to students' questions during my lessons."