Springer has problem books with full solutions: https://www.amazon.com/Problem-Book-Analysis-Books-Mathematics/dp/1441912959/ref=sr_1_2?ie=UTF8&qid=1521910574&

Springer has problem books with full solutions: https://www.amazon.com/Problem-Book-Analysis-Books-Mathematics/dp/1441912959/ref=sr_1_2?ie=UTF8&qid=1521910574&sr=8-2&keywords=analysis+problem+book https://www.amazon.com/Problem-Book-Analysis-Books-Mathemati... https://www.amazon.com/Problems-Solutions-Undergraduate-Analysis-Mathematics/dp/0387982353/ref=pd_sim_14_2?_encoding=UTF8&pd_rd_i=0387982353&pd_rd_r=0W0RXBR8HFR8EV0WNY5J&pd_rd_w=BdfFH&pd_rd_wg=fUEbl&psc=1&refRID=0W0RXBR8HFR8EV0WNY5J https://www.amazon.com/Problems-Solutions-Undergraduate-Anal... The second one is for Lang's "Undergraduate Analysis" book.