Pep Guardiola will officially start work as Manchester City manager on July 1.But the Spaniard has already given the City board a list of transfer targets and work is well underway to strengthen the squad ahead of his arrival in England.A deal for Ilkay Gundogan was done last month and the Germany star is set to be followed to the Etihad Stadium by numerous others.According to Sunday’s newspapers, Guardiola wants to strengthen his squad considerably and is targeting up to six summer signings.See some of the names City are being linked with by clicking through our gallery above. 5 5 5 John Stones: City to win race for the Everton youngster? – Stones is set for a £45m move away from Everton this summer despite Ronald Koeman’s appointment as manager and, according to the Manchester Evening News, Manchester City are ready to do battle with Manchester United for the young England defenders signature. 5 Leroy Sane: Starlet to join Guardiola at City? Click right for more Man City gossip… – Another German is also on Guardiolas radar, with leading newspaper Bild claiming Leroy Sane will have showdown talks with Schalke over his future this week. Guardiola is thought to be keen on the 20-year-old forward and there have been reports this week that a £40million deal for Sane could be imminent. Pierre-Emerick Aubameyang: Prolific striker set to disappoint City? Click right for more Man City gossip… – Bild also claims City are prepared to pay up to £55m to sign Borussia Dortmunds star striker Pierre-Emerick Aubameyang. But that is unlikely to see City get their man, with the report claiming the Bundesliga side are determined to keep hold of the Gabon hotshot. Dortmund have already lost Gundogan to City and Mats Hummels to Bayern Munich and do not want to sell another key man. Nolito: Spain star to join fellow countryman Guardiola? Click right for more Man City gossip… – But Manchester City could have more luck with another reported target, Nolito. The Spain forward has a £14m buy-out clause in his Celta Vigo contract and, according to the Mail on Sunday, Guardiola and City chief Txiki Begiristain are determined to do everything they can to land the 29-year-old. Guardiola wants Nolito as part of a formidable looking front three alongside David Silva and Sergio Aguero. 5 Toni Kroos: Is Euro 2016 star Premier League-bound? Click right for more Man City gossip… – According to the Sunday Express, Manchester City want Toni Kroos to follow Germany teammate Ilkay Gundogan to the club. Kroos has been one of the players of Euro 2016 far and new City manager Guardiola hopes to land the talented playmaker in a £37million deal as soon as the tournament has ended. Real Madrid are said to want Paul Pogba and his signing could prompt them to do a deal for Kroos.