Yan Xia, PhD, is Associate Professor at Stanford University, USA. His research interests focus on the design, synthesis, and manipulation of unusual organic materials and polymers, including ladder polymers. Masahiko Yamaguchi, PhD, is Professor at the Dalian University of Technology, China, and Professor Emeritus of Tohoku University, Japan. His research interests focus on synthesis and chemical, physical, and biological properties of small and oligomeric organic compounds. Tien-Yau Luh, PhD, is Professor Emeritus and Distinguished Chair Professor at the National Taiwan University. His research interests focus on organometallics in organic and polymer synthesis, polymer folding, and materials chemistry.

• PrefaceIntroduction Conjugated, Aromatic Ladder Polymers:  From  Precision Synthesis to Single Chain Spectroscopy and Strong Light-Matter Coupling Graphene Nanoribbons as Ladder Polymers-Synthetic Challenges and Components of Future Electronics Processing of Conjugated Ladder Polymer Multiporphyrin arrays: from biomimetics to functional materials Ladder Polymers of Intrinsic Microporosity (PIMs) Catalytic Arene-Norbornene Annulation (CANAL) Polymerization for the Synthesis of Rigid Ladder Polymers Simultaneous Growth in Two Dimensions: a Key to Synthetic  2D Polymers Ladderphanes and Related Ladder Polymers Ladder Polysiloxanes DNA as a Ladder Polymer, from the Basics to Structured Nanomaterials Twisted Ladder Polymers: Dynamic Properties of Cylindrical Double-Helix Oligomers with Axial Hydrophobic and Hydrophilic Group Coordination Ladder Polymers: Helical Metal Strings Epilogue