diff --git a/Makefile b/Makefile
index c1b4188..9114482 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 CC=gcc
 CFLAGS= -c -g -Wall
 
-LDLIBS = -lcurl
+LDLIBS = -lcurl -lcjson
 
 TARGET := isbn-lookup
 
diff --git a/build/book.json b/build/book.json
new file mode 100644
index 0000000..4144a2c
--- /dev/null
+++ b/build/book.json
@@ -0,0 +1,17 @@
+{
+	"author_key":	["OL6823800A"],
+	"author_name":	["Trisha Telep"],
+	"cover_edition_key":	"OL24447972M",
+	"cover_i":	8159688,
+	"edition_count":	2,
+	"first_publish_year":	2009,
+	"has_fulltext":	true,
+	"ia":	["mammothbookoftim0000tele"],
+	"ia_collection_s":	"inlibrary;internetarchivebooks;openlibrary-d-ol;printdisabled",
+	"key":	"/works/OL15483381W",
+	"language":	["eng"],
+	"lending_edition_s":	"OL24447972M",
+	"lending_identifier_s":	"mammothbookoftim0000tele",
+	"public_scan_b":	false,
+	"title":	"The Mammoth Book of Time Travel Romance"
+}
\ No newline at end of file
diff --git a/build/isbn-lookup b/build/isbn-lookup
index 9d675a7..14bcd9f 100755
Binary files a/build/isbn-lookup and b/build/isbn-lookup differ
diff --git a/build/src/curl.c.o b/build/src/curl.c.o
index 4e83f40..863b0c9 100644
Binary files a/build/src/curl.c.o and b/build/src/curl.c.o differ
diff --git a/build/src/json.c.o b/build/src/json.c.o
new file mode 100644
index 0000000..8fbdc1d
Binary files /dev/null and b/build/src/json.c.o differ
diff --git a/build/src/main.c.o b/build/src/main.c.o
index 3a8acfd..cb0967b 100644
Binary files a/build/src/main.c.o and b/build/src/main.c.o differ
diff --git a/src/db.c b/src/db.c
new file mode 100644
index 0000000..092f319
--- /dev/null
+++ b/src/db.c
@@ -0,0 +1,3 @@
+#include "include/db.h"
+
+
diff --git a/src/include/db.h b/src/include/db.h
new file mode 100644
index 0000000..75a2196
--- /dev/null
+++ b/src/include/db.h
@@ -0,0 +1,13 @@
+#ifndef DB_H
+#define DB_H
+
+typedef struct {
+	char *title, *subtitle, *isbn;
+	char *authors, *subjects, *langs;
+	char *date_added, *pub_date;
+	char *image_url;
+
+	int year_of_pub, page_len;
+} book_t;
+
+#endif
diff --git a/src/main.c b/src/main.c
index 3e18e60..486154e 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,16 +1,82 @@
-#include <stdio.h>
+#include <cjson/cJSON.h>
+#include <argp.h>
+#include <stdlib.h>
+#include <stdbool.h>
 
 #include "include/curl.h"
+#include "include/json.h"
 
-int main(void)
+struct flags {
+	bool json, db, print;
+};
+
+static void init_flags(struct flags* flags) {flags->json = false;flags->db = false;flags->print = false;}
+
+const char* argp_program_version = "isbn-lookup 2.1";
+const char* argp_program_bug_address = "supernovaa41@gmx.com";
+static char doc[] = "Lookup details of a book from the ISBN. Using OpenLibrary API.";
+static char args_doc[] = "<ISBN>";
+static struct argp_option options[] = {
+	{0, 'j', "json", 0, "output to json", 0},
+	{0, 'd', "db", 0, "output to sqlite3 database", 0},
+	{0, 'p', 0, 0, "print the full json response", 0},
+	{0}
+};
+
+static error_t parse_opt(int key, char* arg, struct argp_state* state)
 {
-	get_response resp;
-
-	book_api_call("9780762437818", &resp);	
-
-	puts(resp.buf);
-
-	free_get_response(&resp);
-
+	struct flags* flags = state->input;
+	switch (key) {
+		case 'j':
+			if (flags->db) {
+				fprintf(stderr, "-j and -d are mutually exclusive.\n");
+				exit(EXIT_FAILURE);
+			}
+			flags->json = true;
+			break;
+		case 'd':
+			if (flags->json) {
+				fprintf(stderr, "-j and -d are mutually exclusive.\n");
+				exit(EXIT_FAILURE);
+			}
+			flags->db = true;
+			break;
+		case 'p':
+			flags->print = true;
+			break;
+		case ARGP_KEY_END:
+			break;
+		default:
+			return ARGP_ERR_UNKNOWN;
+	}
+	return 0;
+}
+
+static struct argp argp = {options, parse_opt, args_doc, doc, 0, 0, 0};
+struct flags flags;
+
+int main(int argc, char* argv[])
+{
+	get_response resp;
+	cJSON* query;
+
+	init_flags(&flags);
+	argp_parse(&argp, argc, argv, 0, 0, &flags);
+
+	book_api_call("9780762437818", &resp);
+
+	if (flags.print)
+		puts(resp.buf);
+
+	get_json_book(&resp, &query);
+	free_get_response(&resp);
+
+	if (flags.json)
+		json_out(&query);
+	else
+	 	// db out;
+
+
+	
 	return 0;
 }