all:
	cd chap01; make
	cd chap03; make
	cd chap04; make
	cd chap05; make
	cd chap06; make
	cd chap07; make
	cd chap08; make
	cd chap09; make
	cd chap10; make
	cd chap11; make
	cd chap12; make
	cd chap13; make
	cd chap14; make
	cd chap15; make
	cd chap16; make
	cd chap17; make
	cd chap18; make
	cd chap19; make
	cd chap21; make
	cd chap22; make
	cd chap23; make

clean:
	cd chap01; make clean
	cd chap03; make clean
	cd chap04; make clean
	cd chap05; make clean
	cd chap06; make clean
	cd chap07; make clean
	cd chap08; make clean
	cd chap09; make clean
	cd chap10; make clean
	cd chap11; make clean
	cd chap12; make clean
	cd chap13; make clean
	cd chap14; make clean
	cd chap15; make clean
	cd chap16; make clean
	cd chap17; make clean
	cd chap18; make clean
	cd chap19; make clean
	cd chap21; make clean
	cd chap22; make clean
	cd chap23; make clean