Hoi & Ngo, quyen sach dau tay day hon 500 trang cua Trinh Hoi, nguoi tung tot nghiep cu nhan van chuong va luat tai Dai Hoc Melbourne (Uc) va thac si tai Dai Hoc Oxford (Anh), duoc chia ra lam 5 de muc: The Gioi, Viet Nam, Van Nghe, Chinh Tri, va Chuyen Rieng Tu, voi tong cong 86 bai viet ngan duoi dang "blog." Neu hinh dung mot cach gian di thi cu nhu mot kieu nhat ky, khong dao qua sau, khong di vao that chi tiet bat cu van de gi. Tat ca cu nhu kieu anh chang lang tu buoc qua vung dat nay, toi mien lanh tho khac, thay co cai nay hay, thay co cai kia la, gap duoc nguoi nay tai, tiep xuc voi nguoi kia "xau," theo ca nghia den lan nghia bong, the la chang ngoai dau, hat mat, da long nheo, "Hey, o do co chuyen hay lam, ngo lam a " Con chuyen hay ra sao, ngo den muc nao thi Trinh Hoi chi ke luot qua, ai muon hieu sau hon, tuong tan hon thi xin tu tim kiem them. Voi chung ay de muc, chung ay bai viet, phai noi rang Trinh Hoi co co may di nhieu, biet nhieu, nhu trong loi gioi thieu cua nha xuat ban Nguoi Viet co viet: "Trinh Hoi di nhieu, phai noi la qua nhieu. Co nhung vung dat tren the gioi kho ma moi goi nhung nguoi co hoan canh song 'chan em dem am'. Vay ma Trinh Hoi cu the lao toi, di nhien mot phan vi cong viec bat buoc, nhung tren het, vi oc phieu luu, mao hiem, khao khat nhung vung troi moi." Cu nhin tua bai, da thay buoc chan Trinh Hoi ghi dau nhung noi dau. Tu mot dat nuoc rong lon "My Quoc" den thanh pho da van hoa "New York," tu "Nguoi Viet o Canada" den loi "Xin Loi" tu Uc, tu Haiti, Uganda, Kampala, den Kenya, Nairobo, Dadaab, roi Granada, Alhambra, Bhutan, tham chi "Vao Coi Hoang Vu (Leichtenstein)" hay "Lo toi Nam Phi..". tat ca cung deu duoc Trinh Hoi ghi lai, de "suy cho cung cung nho do ma toi da thay va hoc duoc rat nhieu, cam nhan duoc rat nhieu nhung trai ngang trong cuoc song.""