BÌA SÁCH

\documentclass[a4paper]{book}
\usepackage[utf8]{vietnam}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{tikz}
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\begin{document}
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	--($(current page.north east)+(0,-5cm)$)-- cycle;
		% ============== kẻ dọc
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	%==========================
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\tikz[remember picture, overlay]
\draw ($(current page.north)+(1,-2.5cm)$) node [white,scale=2]{\bfseries ĐINH NGỌC QUANG (Tổng hợp và biên tập)}
%========== bong do
($(current page.north)+(-1.5,-12.1cm)$) node [black,scale=2,yscale=3,xscale=1.2]{\bfseries\fontfamily{pbk}\fontsize{20pt}{22pt}\selectfont GIẢI TÍCH}
node [right=5.1cm,black,scale=2,yscale=4.3,xscale=2]{\bfseries\fontfamily{pbk}\fontsize{20pt}{22pt}\selectfont 12}
%==============
($(current page.north)+(0.5,-8cm)$) node [white,scale=1.2,yscale=2]{\bfseries\fontfamily{pag}\fontsize{20pt}{22pt}\selectfont TUYỂN TẬP CHUYÊN ĐỀ - MÔN TOÁN}
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node [right=5.1cm,blue,scale=2,yscale=4.3,xscale=2]{\bfseries\fontfamily{pbk}\fontsize{20pt}{22pt}\selectfont 12}

($(current page.north)+(0.5,-16cm)$) node [black]{\bfseries\fontfamily{pag}\fontsize{15pt}{22pt}\selectfont (Bài tập Trắc nghiệm được tuyển chọn}
node [below=0.5cm,black]{\bfseries\fontfamily{pag}\fontsize{15pt}{22pt}\selectfont từ các đề thi thử và đề thi Tốt nghiệp THPT năm 2020)};
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\begin{scope}
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%=============
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\end{document}