Simplify the following text for a Grade 11 native English-speaking person.
Original: At the same time his second book of poems , Tristia , was published in Berlin . For several years after that , he almost completely abandoned poetry , concentrating on essays , literary criticism , memoirs ( The Din Of Time , Russian : Ð Ñ Ð 1\/4 Ð Ñ Ð Ð 1\/4 Ð Ð 1\/2 Ð , Shum vremeni ; Ð Ð Ð 3\/4 Ð Ð 3\/4 Ñ Ð Ñ , Feodosiya - both 1925 ) and small-format prose ( The Egyptian Stamp , Russian : Ð Ð Ð Ð Ð Ñ Ñ Ð Ð Ñ Ð 1\/4 Ð Ñ Ð Ð , Yegipetskaya marka - 1928 ) .
Simplified: In 1913 he published his first collection of poems , The Stone ( Russian : Ð Ð Ð 1\/4 Ð Ð 1\/2 Ñ , Kamyen ) ; it was reissued in 1916 under the same title , but with additional poems included .