屁屁侦探共有3款可用，这个系列书可以的
膨胀300-30普通券+300-30plus券
https://m.weibo.cn/status/Qd6epkwnu?pagetype=profilefeed&jumpfrom=weibocom
页面400-300图书券，屁屁侦探选送礼下单有额外95折
https://m.weibo.cn/status/Obb2pwFlE?pagetype=profilefeed&jumpfrom=weibocom
https://m.weibo.cn/status/Qd6epkwnu?pagetype=profilefeed&jumpfrom=weibocom
页面400-300图书券，屁屁侦探选送礼下单有额外95折
https://m.weibo.cn/status/Obb2pwFlE?pagetype=profilefeed&jumpfrom=weibocom
