C语言文件读取fscanf(),该怎么处理

C语言文件读取fscanf()
这是一个用文件记录，输出图书信息的代码，只能输出一部分，怎样循环能全部打印出来呀


#include <stdio.h>
#include <stdlib.h>
#include <string.h>


#define MAXSIZE 30


const char *fname = "bookinfo.txt";


//记录图书信息结构体
typedef struct book
{
char author[MAXSIZE];
char title[MAXSIZE];
char publish_house[MAXSIZE];
}BOOK, *Book;


int Input(const char *fname);//录入信息
int Show(const char *fname);//显示信息


main()
{
Input(fname);
Show(fname);
}


int Input(const char *fname)
{
Book P_book = NULL;
char ch = 'Y';
FILE *fpw = NULL;

while('Y' == ch || 'y' == ch)
{
P_book = (Book)malloc(sizeof(BOOK));

scanf("%s",P_book->author);
scanf("%s",P_book->title);
scanf("%s",P_book->publish_house);

fpw = fopen(fname,"a");

fprintf(fpw,"%s\n%s\n%s\n",
P_book->author,P_book->title,P_book->publish_house);

fclose(fpw);
free(P_book);

printf("go on?(y or n):");
getchar();
ch = getchar();
}
return 1;
}


int Show(const char *fname)
{
char book[3][MAXSIZE] = {0};
FILE *fpr = NULL;

fpr = fopen(fname,"r");
fscanf(fpr,"%s\n%s\n%s\n",book[0],book[1],book[2]);
printf("%s %s %s\n\n",book[0],book[1],book[2]);

fclose(fpr);
}


------解决方案--------------------
到底是哪里的问题，指出一下啊！！看不太明白！！